Dr. JOHN DEVADAS

Educational Institution

Degree Specialization

From

To

Class Obtained

Andhra University, Visakhapatnam, A. P.

Ph. D in Geology

1996

1999

-

Andhra University, Visakhapatnam, A. P.

Post M. Sc. (Tech) in Hydrogeology

1993

1995

1^st Class

Andhra University, Visakhapatnam, A. P.

M. Sc. in Geology

1991

1993

1^st Class

Andhra University, Visakhapatnam, A. P.

B. Sc. in Geology, Physics, and Chemistry

1987

1991

1^st Class

Life Member of Association of Hydrologists of India, Visakhapatnam.

Life Member of Centre for Hydrology and Groundwater Resources, Andhra University, Visakhapatnam.

Life Member of International Association of Engineers,(IAENG) Hong Kong. (Member Number-187270)

Life Member of International Geoscience Education Organisation (IGEO)

Member for Young Earth Scientists, Network (YES)

Life Member of World Academy of Science and Technology, Las Vegas, Nevada, U.S.A

Life Member of The Gideons International of India (ID number 54765), Rajahmundry Camp, Andhra Pradesh

Registered Geologist / Hydrogeologist / Geophysicist for conducting groundwater surveys from Groundwater and Water Audit Department, Govt of Andhra Pradesh, Hyderabad with (Identity Card) Registration  No: 10408-04/AP040091819

Lifetime Achievement Award, in 12^th  International Scientist Awards on Engineering, Science and Medicine Organised by VDGOOD Professional Association, Villupuram, Tamilnadu. (ID: VDSA2827)

Best Senior Scientist Award in 2^nd International Academic and Research Excellence Awards, Organised by GISR Foundation,  Noida, Uttar Pradesh. (ID: IARE-202011411)

Fellowships and Scholarships

Self-learning online course for Project Management Professional certification 2018 by Project Management Institute, U.S.A through PMBOK 6^th Edition by Simplilearn.com and Stackskills.com (From Agile to P.M.P., Scrum to Six Sigma,120 hrs Bundle)

Department of Geology, Andhra University, India

As a Research Scholar

from Jan 1996 to June 1999

Ø   Awarded Doctor of Philosophy on "Occurrence and    Geochemistry of Fluoride in Groundwaters of a Typical Drought Prone Area of Andhra Pradesh, India" in1999 from Andhra University, Visakhapatnam, India.

Department of Geology,

Andhra University, Visakhapatnam, AP, India

As a Post-Doctoral Research Scholar

from

January 1999 to January 2002

Ø   Assessment & Management of Ground Water Resources in parts of crystalline terrain of Guntur District, Andhra Pradesh, India, sponsored by D.S.T. (Department of Science and Technology), New Delhi.

(Ref. No: ESS/72/023/98) Under Prof N Subba Rao

(DST Fast Track Young Scientist Schemes)

Department of Geology, Andhra University,

Visakhapatnam, AP, India

As a Principal Investigator

from

June 2002 to June 2008

Ø   Ground Water Resources Development & Management in a Backward District of Srikakulam of Andhra Pradesh, India, sponsored by D.S.T. (Department of Science and Technology), New Delhi. (Ref. No: S.R./FTP/ES-64/2006)

Ø   Assessment & Management of Potential Recharge zones in Aquifers in the context of conjunctive use of Water in Sarada River Basin of Visakhapatnam District of Andhra Pradesh, India, sponsored by D.S.T. (Department of Science and Technology), and New Delhi. (Ref. No: S.R./FTP/ES-06/2002

Department of Geology, Andhra University, Visakhapatnam, Andhra Pradesh, India

(2004-2007)

Ø  As a part of the Young Scientist major research Project, (Principal Investigator) actively involved in the departmental teaching, research, and academic training activities for Three years in the Department of Geology, Andhra University for the Post Graduate students Geological and Hydrogeological, theoretical and practical aspects.

Employer

DST (Fast Track Young Scientist Schemes) in Department of Geology, Andhra University

Position Held

Post-Doctoral Research Scholar / Principal Investigator

From: January 1999

To: June 2008

Employer

International Groundwater Technologies Pte Ltd, Singapore

Position Held

Senior Geologist/ Hydrologist

From: June 2008

To: October 2008

Employer

 Soil Investigation Pte Ltd, Singapore (Foundation Specialist)

Position Held

Senior Engineering Geologist/ Hydrologist

From: November 2008

To: November 2009

Employer

Tritech Engineering & Testing (Singapore) Pte Ltd, Singapore

Position Held

Senior Hydrogeologist/ Engineering Geologist

From: December 2009

To: June 2011

Employer

Golder Associates Consulting India Pvt Ltd, Gurgaon, Haryana

Position Held

Senior Hydrogeologist/ Engineering Geologist (Consulting Level- IV)

From: June 2011

To: July 2013

Employer

 Jacob, Halcrow, a CH2M Hill (India) Pvt Ltd, Noida, Uttar Pradesh.

Position Held

Senior Hydrogeologist/ Engg Geologist (Independent Consultant Grade PR08, Engineer -6)

From: September 2013

To: March 2015

Employer

Independent Consulting Geoscientist for Different Clients / Agencies

Position Held

Senior Hydrogeologist/ Engineering Geologist/ Geotechnical Engineer

From: March 2015

To: Till Date

Consulting Geoscientist

for different clients/Agencies

As Senior

Hydrogeologist/Engineering

Geologist/Geotechnical

Engineer

from

March 2015 to Till date

Consulting Geoscientist

for different clients/Agencies

As Senior

Hydrogeologist/Engineering

Geologist/Geotechnical

Engineer

from

March 2015 to Till date

Consulting Geoscientist

for different clients/Agencies

As Senior

Hydrogeologist/Engineering

Geologist/Geotechnical

Engineer

from

March 2015 to Till date

Consulting Geoscientist

for different clients/Agencies

As Senior

Hydrogeologist/Engineering

Geologist/Geotechnical

Engineer

from

March 2015 to Till date

Project: Atal Bhujal Youjana (Atal Jal) Project Government of India, Ministry of Jal Shakti, Department of Water Resources, River Development & Ganga Rejuvenation  (World Bank Project)

   Client: Quality Council of India (QCI) as Third-Party Government Verification Agency (TPGVA)

   Consultant Activities and Deliverables as Technical Expert:  Technical Expert for providing required inputs/ expertise/ support to Project Planning Implementation Division (PPID)  Project in charge from time to time to Improve the management of Groundwater Resources in the water-stressed areas of selected states.    

   To carry out verification, assessment a, and certification of the achievement of  Disbursement Linked Indicators (DLIs) 1) Public disclosure of groundwater data/information and reports 2) Preparation of Community-led Water Security Plans 3)Public financing of approved Water Security Plans through the convergence of ongoing/new schemes 4) Adoption of practices for efficient water use 5) Improvement in the rate of decline of groundwater levels, under the scheme for Gujarat, Haryana, Karnataka, Madhya Pradesh, Maharashtra, Rajasthan, Uttar Pradesh states.

Project: Eternal Monitoring and Evaluation during the "Andhra Pradesh Integrated   Irrigation and Agriculture Transformation Project (APIIATP) World Bank Project

   Client: CTRAN Consulting Ltd, Bhubaneswar, Odisha. 3^rd Party M&E Consultant

   Activities and Deliverables as P.G.M. (Groundwater) Expert: Data Collection and Reporting, Process Monitoring, Impact/Outcome analysis and Evaluation, and Technical and Capacity building support for other project-related entities.

   Assessment of groundwater and its different uses for agriculture and allied activities, assessment of groundwater management principles on crop water budgeting and utilization assessment of groundwater use efficiency and groundwater productivity, soil moisture analysis, and Progress appraisal and reporting to Team leader/ PM on progress and achievements on P.G.M. activities.

Project: Development of Source Vulnerability Assessment (S.V.A.) and Source Water Protection Plan (SWPP) for Coco-Cola Plant of Ludhiana Beverages Pvt, Ltd Hoshiarpur Unit IV operations as required TCCC Guidelines. (ES-RQ-235 (2015))

   Agency: Mainstay Development Consultants, Secunderabad, Telangana State 

   Consultant Activities and Deliverables: The S.V.A. Study was to evaluate susceptibility to potential water risks related to water supply (Groundwater), transmission, treatment and distribution system, geology and hydrogeology, climatic parameter,s, and regulatory aspects. It also considers risks from the community perspective about water availability, impacts of the plant activities on them, a socio-economic issue,s and other concerns through data collection, define the source watershed and study area, land use Survey, conceptual model development, records review, environmental issues, interview with plant representatives and reporting of those findings, opinions and conclusions and preparation of S.V.A. report.

Project: Report Preparation on Hydrogeological Assessments to Solve the Drinking water Problems under SVS/MVS under RWSSD /CPWS Scheme in Visakhapatnam District, Andhra Pradesh, India. (The Government of Andhra Pradesh is Implementing the World Bank assisted Andhra Pradesh Rural Water Supply & Sanitation Project in Visakhapatnam District

   Client: MaRS Planning and Engineering Services Pvt. Ltd, Ahmedabad, Gujarat.

   Consultant Activities and Deliverables: Project on improving Rural Water Supply and Sanitation service through progressive decentralization, community participation, and enhanced accountability.

    Hydrogeological Reports preparation for S.V.S. schemes of different mandalas in Visakhapatnam District including Field visits, coordination with Concerneded Departments in terms of Meetings, Telephonic Conversation to justify the mentioned points through hydrogeological Assessments and Field investigation

Project: Additional Phase II Environmental Site Assessment Bayer, Vapi Facility, Gujarat, India (Project No- 693325)

   Client: CH2M Hill (India) Pvt Ltd. Geotechnical Contractor: C2S2 India Pvt Ltd, New Delhi

    Consultant Activities and Deliverable: The purpose of the investigation works to conduct additional studies to further delineate the potential extent of 6 shallow and four deep groundwater impact to down groundwater gradient identification through drilling wells installation, groundwater monitoring/sampling during the wet and dry season, and field testing to know the aquifer properties and prepare a consolidated technical report based on findings of the investigation.

Project: Seabed Engineering Properties of the coastal area of Kutubdia Island, Chittagong, Bangladesh

   Client: Reliance Power Limited, Geotechnical Contractor: D'Appolonia S.p. An (India) Mumbai.

   Consultant Activities and Deliverables: The purpose of the investigation works by five (5) offshore and one (1) onshore boreholes drilling up to 80 meters depth, two (2) offshore Vibrocore sampling up to 6 meters depth from seabed level lie in offshore water depth range of 10 to 15 meters depth and Seven (7) offshore cone penetration tests, and by field & laboratory tests on soils, rock and water samples, is to explore the seabed engineering properties of the subsurface conditions at the proposed offshore / onshore borehole location for L.N.G. Terminal at nearshore waters of Bay of Bengal. (Barge Experience/supervision)

Project: Project Implementation Plan: Project on Climate Resilient Agriculture- Maharashtra

   Client: CTRAN Consulting Ltd, Bhubaneswar, Odisha.

   Consultant Activities and Deliverables: Develop a what – who - how to note for various soil- water conservation measures That are aimed at water use efficiency fallowed by GSDA, also develop formats for farm ponds, drip irrigation designs based on the prevailing Policy for climate-adaptive Management of soil and water for agriculture zones of Maharashtra State.

Project: Geophysical Investigations for implementing Geothermal Cooling System in Hewlett Packard (H.P.) Enterprises facility at Mahadevapura, Bangalore

   Client: M/s Green India Building Systems Services Pvt Ltd (GIBSS), Mumbai.

   Consultant Activities and Deliverables: Conducting Geophysical Investigations (V.E.S.) for 120 borewell Points, Data Interpretation, Design, Drilling, and Technical report writing for implementing Geothermal cooling system H.P.E., Bangalore facility.

Project: Report on the feasibility of groundwater for construction of Borewell Under N.T.R. Jala Siri Programme through Geophysical, Hydrogeological investigation, and drilling

   Client: Groundwater and Water Audit Department, Rajahmundry, East Godavari District, Andhra Pradesh, India.  District Water Management Agency (DWMA), Kakinada, East Godavari District, A.P, India.

   Consultant Activities and Deliverables: Conducting Geophysical and Hydrogeological Investigations, Data Interpretation and report writing for more than a thousand points in different villages in different mandals in East Godavari District, Andhra Pradesh, India

Project: Development of Source Vulnerability Assessment (S.V.A.) and Source Water Protection Plan (SWPP) for Lae and Port Moresby Coca-Cola Amatil (PNG) Ltd, plants in Papua New Guinea operations as required by TCCC Guidelines. (ES-RQ-235 (2015))

   Agency: eKO Knowledge.net, Hyderabad

   Consultant Activities and Deliverables: Technical support on raw water quality, site inspection for pollution risk assessment, Development of the conceptual hydrogeological model, potential vulnerabilities associated with legislative, and qualitative risk assessment in terms of the water source, water quantity, environment, community, and social aspects and preparation of S.V.A. and SWPP reports.

Project: Geophysical Survey for two Bore Well Points, four Contour Trenches, and 2 Percolation Tanks design works (Ref No: ANUR/UE/2015)

   Client: Adikavi Nannaya University, Rajahmundry

   Consultant Activities and Deliverables: Geophysical Surveys for borewell points, building Percolation tanks for Rainwater collection through A.A.R. & R.W.H., and Design four contour trenches to avoid soil erosion and report preparation.

Project: Deep bore wells Construction Design for Natural Mineral Water Extraction for proposed Plant at Pipalia, Kichha, Udham Singh Nagar District, Uttarakhand.

   Client: Brinda Beverages Private Limited, Bareilly.

   Consultant Activities and Deliverables: Designed as a Support Tool for drilling for Natural mineral water Wells. Developed the report based on the geophysical Survey done, CGWB reports, and TCCC requirements. This report also includes a well-head design for maintaining hygienic conditions.

Project: Nyukmadung Hydro Electric Project (4 x 2.5 MW) West Kameng District, Arunachal Pradesh, India.

   Client: R 3 planners Private Limited, New Delhi

   Consultant Activities and Deliverables: Survey and investigation work through a site visit and report writing

Balasore Alloys Limited, Odisha

as A.G.M. Hydrogeologist

(M3 Level)

from

Mar 2015 to May 2015

Project: ISPAT SUKINDA CHROMITE MINE at Kaliapani Block, Sukinda

   Responsible for analyzing the current water level monitoring in the aquifer and taking necessary action for smooth operations and project assistance, monitoring dewatering projects, and periodic reporting to Management. Hydrogeological assessment, Rainwater Harvesting Scheme like source, Demand & supply of water, Dewatering activities, supervision of drilling and Logging works.

Halcrow, a CH2M HILL (India) Pvt Ltd, Noida.

As Senior Hydrogeologist/Engineering Geologist

(Independent Consultant

Grade PR08, Engineer - VI)

From

Sep 2013 to March 2015

Project: Sustainable Integrated Water Resource Management (IWRM) plan and Preparation of Detailed Project Report of Alternative Water Source for Manesar – Bawal Investment Region (MBIR) for Delhi Mumbai Industrial Corridor Development Corporation Limited (DMICDC), Government of India, New Delhi.

   (As a subject expert, my inputs for Key deliverable are as per contract signing:

   1)Inception report, 2) Situation analysis & data collection, 3) System comprehensive decision support model-based framework and evaluation criteria, 4) Field investigation plan report, 5) Situation analysis report for potential G.W., S.W., R.W., 6) Interim IWRM plan, 7) draft D.P.R. of various alternatives, 8) Draft IWRM plan, 9) Dynamic operating framework, 10) Final IWRM Plan, 11) D.P.R. and Term Sheets for identified Projects under IWRM plan, and 12) Handholding and general support and assistance.)

Project: Sustainable Integrated Water Resource Management (IWRM) plan and Preparation of Detailed Project Report of Alternative Water Source for Khuskhera – Bhiwadi – Neemrana Investment Region (KBNIR) in Rajasthan for Delhi Mumbai Industrial Corridor Development Corporation Limited (DMICDC), Government of India,

   (As a subject expert, my inputs for Key deliverable are as per contract signing:

   1)Inception report, 2) Situation analysis & data collection, 3) System-wide decision support model-based framework and evaluation criteria, 4) Field investigation plan report, 5) Situation analysis report for potential G.W., S.W., R.W., 6) Interim IWRM plan, 7) draft D.P.R. of various alternatives, 8) Draft IWRM plan, 9) Dynamic operating framework, 10) Final IWRM Plan, 11) D.P.R. and Term Sheets for identified Projects under IWRM plan, and 12) Handholding and general support and assistance.

Golder Associates Consulting

India Pvt Ltd, Gurgaon.

As

Senior Hydrogeologist

/

Engineering Geologist

(Consulting Level - IV)

From

June 2011 to July 2013

Project: Undertake third-party field validation modeling parameters (the probabilistic model developed before to assess water replenishment to groundwater) related to Artificial Aquifer Recharge (A.A.R.)

   Structures like Rain Water Harvesting (R.W.H.) structures in India for Coca-Cola, Atlanta, United States.

Project: Undertake source water vulnerability analysis for bottling plant (beverage industry) regarding the water source, water quantity, environment, community, and social aspects. Simultaneously, reporting vulnerabilities and developing a plan containing specific, practical measures to manage water supply vulnerabilities about business continuity for Coca-Cola Company, India, Source Vulnerability Assessment (S.V.A.) and Source Water Protection Plan (SWPP) for ten different franchisee bottling plants in Uttar Pradesh, Himachal Pradesh, Punjab, and the Haryana States.

Project: Responsible for technical assistance related to mining services in coal, iron ore, and other metals. Mine dewatering project and periodic reporting. Areas of work include strata control for underground mining, slope stability analysis, rainwater harvesting, and water conservation management in opencast overburden dumps, mine pits, rock behavior, and processing data using computer software.

Project: Responsible for observation of pilling works, shaft excavation including changes in strata, boulders, caving and log soil cuttings, test shaft excavations and construction, verification of geotechnical design parameters with actual site condition C.S.L. logging and evaluate the C.L.S. results, and O-cell load testing (Pile load and Integrity testing), shaft remedial measures and observation logs review of dewatering system at the site at Supernova, Sector 94, Greater Noida, India. It is one of the largest and tallest constructions in this region.

Tritech Engineering & Testing (Singapore) Pte, Ltd, Singapore.

As Senior Hydrogeologist

/

Engineering Geologist

from

Dec 2009 to Jun 2011

Project: D 2008-00667-010: Site characterization of a site at Mandai, Hydrogeological Assessment for Defense Science and Technology Agency. (DSTA) Singapore

   (Project inputs on Tasks but My inputs are Hydrogeological Assessments and drilling supervision)

   1) Geophysical Survey, 2) In situ Stress measurement, 3) Hydrogeology Assessment, 4) Quarry wall mapping and Stability assessment,5) Geotechnical Database and Geological modeling, 6) Drilling exploration & Sampling, 7) Downhole field testing, 8) Lab testing (soils & rock) and 9) Technical report submission.)

Project: Contract 9131D Detailed Site Investigation Works for Downtown Line 3 (Section 1) Pumping Test for Land Transport Authority (L.T.A., Singapore (My inputs on Tasks 1) Drilling exploration & sampling, 2) Field and Lab testing (soils & rock) 3) Permeability testing and 4) Technical and Final report submission.)

Soil Investigation Pte Ltd,

Singapore,

(Geotechnical & Foundation Specialist)

As Senior Engineering Geologist

/

Hydrologist

from

Nov 2008 to Nov 2009

Project: Geotechnical Engineering works at MBFC Project: supervising the Bore Pilling and Jet Grouting works.

Project: M.B.S. I.R. Project: Supervising soil investigation works, field, in situ tests, instrument installations, monitoring functions, and preparation of final reports.

Project: Project manager C 487 Marina Coastal Expressway Project Phase-I:

   Jet Grout Coring, Laboratory Tests on Jet Grout Samples and report preparation

Project: D/004/09 SO REP for Offshore Soil Investigation off Marina East; at Singapore Strait nearshore waters. 80 Cone Penetration Tests, 15 offshore Borehole drilling, 5 (large diameter stationary piston corer) Seabed Sampling (sampler length1100 mm, od 258 mm, id 253 mm area ratio 3.99%) to determine subsurface lithology, estimate Geotechnical parameters, and provide results for Geotechnical design for Housing & Development Board (H.D.B.), Singapore. (6 months of Barge supervision experience)

International Ground Water Technologies Pte. Ltd, Singapore.

As Senior Geologist / Hydrologist from

June 2008 to October 2008

Project: LTA CCL3 Project: Contract 855 Cornwall Garden (W.S.A. J.V.), Management in soil drilling, soil testing, instrument installation, monitoring, installing dewatering wells, monitoring and pump tests for Land Transport Authority (L.T.A.), Singapore.

   (The construction and completion of Holland village, Buona Vista and, Kent Ridge M.R.T. station including one north station fit-out works and Tunnels)

Technical Experience in Geological / Hydrogeological / Geotechnical investigations

Ø  Consulting Assignments through telephone/ in-person meetings for Insight Alpha and G.L.G. Council

Ø  Quantitative Hydrogeology

Ø  Geophysical Surveys for groundwater investigations and geotechnical lab studies

Ø  A.S.R./ Rooftop Rainwater  harvesting / Artificial recharge Techniques for field operations

Ø  Aquifer / Pumping Test Design and Analysis

Ø  Tracer Test Design and Interpretation

Ø  Groundwater Management (IWRM) and dewatering work in Mines 

Ø  Groundwater Modelling

Ø  Hydrochemistry Fluoride Pollution studies in arid and  semiarid areas

Ø  Contaminant Hydrogeology Phase 1, II,  Due diligence, and remediations

Ø  Drilling Supervision,  Bore logging, C.P.T., Vibrocoaring  a,  in-situ testing

Ø  Geotechnical investigations both onshore & offshore

Ø  Surface and Groundwater Sampling and Environmental Impact Assessment prepare scope of work

Ø  Issuance of No Objection Certificate (N.O.C.) by CGWA  for Groundwater Withdrawal for industrial purposes

Ø  Business Development & Operation Management

Ø  Teaching Geology/Hydrogeology to M. Sc Students in Dept of Geology, Andhra University

Ø  Training Experience Geotechnical Instrumentation for Engineers: Batch: 0804555, Building & Development Academy (B.C.A.), Singapore,

Ø   from 8-10-2008 to 17-10-2008.

Ø  Shape Metrix 3D application diploma course from 3G Software & measurement GmbH, Austria

Ø  Experience in Disaster Management Training and Safety, First aid Training from Golder Associates.

Ø  Field Practical Training on groundwater surveys, well inventory, geophysical surveys, electrical logging, aerial photo interpretation, and drilling activities from State Groundwater and Water Audit Department, East Godavari District, Rajahmundry, Andhra Pradesh, India, from 29-05-1994 to 02-07-1994.

STCW Courses:  (Standards of Training, Certification and Watchkeeping Code for Seafarers) (2010)

S. N

STCW Courses

Certificate Number

Issue Date

Expiry Date

Place of Issue

1

Personal Survival Techniques

BPMA/PST/1354/2016

28-09-2016

27-09-2021

B. P. Marine Academy, 

Navi Mumbai - 400614

(www.bpmarineacademy.in)

2

Fire Prevention and Fire Fighting

BPMA/FPFF/1385/2016

01-10-2016

30-09-2021

3

Elementary First Aid

BPMA/EFA/1453/2016

05-10-2016

Life Time

4

Professional Safety and Social Responsibilities

BPMA/PSSR/1434/2016

08-10-2016

Life Time

5

Security Training for Seafarers with Designated  Security Duties

BPMA/STSDSD/1453/2016

11-10-2016

Life Time

Rig Safety course Certificates: (Corse designed by as per IADC Well Sharp and IWCF Guidelines & Drilling Industry guidelines) 

1

Basic First Aid / CPR & AED

R2782018

20/08/2020

Life Time

Petro Talent Institute

of Petroleum

Technology, Pune

www.petrotalent.org

2

Rig Safety Orientation

R2782018

20/08/2020

Life Time

3

Basic Fire Fighting / SCBA

R2782018

20/08/2020

Life Time

4

H2S Awareness

R2782018

20/08/2020

Life Time

5

Drilling and Well Control

R2782018

01/09/2020

Life Time

Other Online Training Course Certification as per IADC and IWCS accredited online well control school.

    1

Mud Logging in Well Monitoring

PEA-ML20-G89

20-09-2020

Life Time

Petroleum Engineers Association

(P.E.A.)

www.petrocation.com

2

Introduction to the PETREL Software

Reg #7853

18-09-2020

Lifetime

3

Offshore operation & Field Development Program

PEA-OOPDP-2020-AB41

08-10-2020

Life Time

4

Deepwater E&P Engineering

PEA/2020/DWEP-A017

21-10-2020

Life Time

Travel Documents Held:

S. N

Documents Held

Document Number

Issue Date

Expiry Date

Place of Issue

1

International Passport

R2782018

06-07-2017

05-07-2027

Visakhapatnam, A.P

2

C.D.C.

(Seafarers Identification & Record Book)

ERB-016-010-292

29-09-2016

28-09-2021

Palau International Ship Registry(No:34892) www.palaureg.com

3

IN Do S No (Indian National Database of Seafarers, Govt of India)

16 HL 6227

06-10-2016

Life Time

Mumbai, Maharashtra, India

1. Hydrogeochemistry of the Sarada river basin, Visakhapatnam district, Andhra Pradesh, India,

D. John Devadas, N. Subba Rao, B. Tirupati Rao, K.V. S. Rao and A. Subrahmanyam,

Environmental Geology, 52, 1331-1342, 2006.

2. Interpretation of Groundwater Quality Using Principal Component Analysis from Anantapur District, Andhra Pradesh, India.

N. Subba Rao, D. John Devadas and K.V. Srinivasa Rao,

Environmental Geosciences, 13(4), 1-21, 2006.

3. Fluoride Incidence in Groundwater in an Area of Peninsular India,

N. Subba Rao and D. John Devadas,

Environmental Geology, 45, 243-251, 2003.

4. Multivariate Analysis for Identifying the Governing Factors of Groundwater Quality,

N. Subba Rao, J. Prakasa Rao, D. John Devadas, K.V. Srinivasa Rao, and C. Krishna,

Journal of Environmental Hydrology, 9 (16), 1-9, 2001.

5. Variation of Fluoride in Groundwaters of Crystalline Terrain

N. Subba Rao, G. Krishna Rao and D. John Devadas

Journal of Environmental Hydrology, 6(3), 1-5, 1998.

1. Quality of Groundwater in the Coastal Area of Visakhapatnam-Bhimunipatnam, Andhra Pradesh, India.

N. Subba Rao, K.V. Srinivasa Rao, D. John Devadas, D. Deva Verma, B. Tirupati Rao, A. Subrahmanyam, K. Arjunudu, M. J. Ratnakanth Babu, and T. Venkatakrishna

Indian Journal of Geochemistry, 22 (2), 193-208, 2007.

2. Temporal changes in groundwater quality in an industrial area of Andhra Pradesh, India.

K.V. Srinivasa Rao, N. Subba Rao, B. Murali Krishna, P. Srinivasa Rao, A. Subrahmanyam, D. John Devada,s and B. Tirupati Rao.

Current Science, 93 (11), 1616-1619, 2007.

3. Hydrogeo-morphological Studies for the Location of Groundwater Potential Zones in the Sarada River Basin, Visakhapatnam District, Andhra Pradesh, India.

D. John Devadas, N. Subba Rao, B. Tirupati Rao, K.V. Srinivasa Rao and A. Subrahmanyam,

Gondwana Geological Mgs, 21(1), 59-64, 2006.

4. Drainage Characteristics of the Sarada River Basin, Andhra Pradesh for watershed Management.

D. John Devadas, N. Subba Rao, B. Tirupati Rao, K.V. S. Rao and A. Subrahmanyam,

Journal of Indian Academy of Geosciences, 49 (1), 1-6, 2006.

5. Identification of Factors Controlling the Surface Water Quality Using Principal Component Analysis.

N. Subba Rao, D. John Devadas and I. Bangaru Raju

Journal of Applied Geochemistry, 8(2), 154-161, 2006.

6. Quality Criteria for Groundwater Use for Development of an Area.

N. Subba Rao and D. John Devadas,

Journal of Applied Geochemistry, 7(1), 9-23, 2005.

7. Evaluation of Groundwater Quality in a Rural Area-A case study from Andhra Pradesh, India.

N. Subba Rao and D. John Devadas, B. Tirupati Rao, K.V. S. Rao and A. Subrahmanyam,

Environmental Geochemistry, 7(1), 27-32,2004.

8. Effects of Chemical Properties of Groundwater on Water Supply Systems and Domestic Uses A Case Study from Sagarnagar, Visakhapatnam, India.

N. Subba Rao, P. Niranjan Babu, D. John Devadas and C. Krishna

Environmental Geochemistry, 5 (1 & 2), 9-12, 2002.

9. hydrogeochemistry and Groundwater Quality in a Developing Urban Environment of a Semi-arid Region, Guntur, Andhra Pradesh.

N. Subba Rao, J. P. Rao, D. John Devadas, K. V. S. Rao, C. Krishna and B. N. Rao

Journal of Geological Society of India, 59(2), 159-166, 2002.

10. Environmental Control of Groundwater Quality in a Tribal Region of Andhra Pradesh.,

N. Subba Rao, G. S. Rao, S. V. Rao, P. M. Reddy and D. John Devadas.

Indian Journal of Geology, 71(4), 299-304, 1999.

11. A Preliminary Report on Fluoride Content in Groundwater's of Guntur Area, Andhra Pradesh, India.

N. Subba Rao, J. P. Rao, B. N. Rao, P. Niranjan Babu, P. M. Reddy and D. John Devadas,

Current Science, 75(9), 887-888, 1998.