i10 Productivity
Rankings

National Institute of Oceanography, India 191 Scientists i10 Productivity Rankings - 2025

Total 2,384,773 scientists, country 221, and institutions 24,456 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:

  • Gain full access to detailed comparisons and advanced analytics,
  • Objectively evaluate your academic productivity,
  • Make strategic, data-driven decisions to enhance performance.

* Total i10 IndexRankings
Ranking Based On Selection: 1
India
Prasanna Kumar
Ocean circulation & Water masses
Physical-biological coupling
Climate change
Beach dynamics & Coastal Oceanography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
236
119
0.504
* Total i10 IndexRankings
Ranking Based On Selection: 2
India
Shyam Murti Gupta
marine geology
microapaleontology
paleoclimate / oceanography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
187
79
0.422
* Total i10 IndexRankings
Ranking Based On Selection: 3
India
SWA Naqvi
Global Change
Chemical Oceanography
Aquatic Biogeochemistry
Nitrogen Cycle
Paleoceanography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
163
121
0.742
* Total i10 IndexRankings
Ranking Based On Selection: 4
India
VVSS SARMA
Biogeochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
145
118
0.814
* Total i10 IndexRankings
Ranking Based On Selection: 5
India
Rajiv Nigam
Foraminifera
Paleoclimate
Sealevel changes
Paleomonsoon
Marine Archaeology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
126
56
0.444
* Total i10 IndexRankings
Ranking Based On Selection: 6
India
AC Anil
Marine Biology
Marine Ecology
Biological Oceanography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
119
72
0.605
* Total i10 IndexRankings
Ranking Based On Selection: 7
India
Sanil Kumar
ocean engineering
waves
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
114
83
0.728
* Total i10 IndexRankings
Ranking Based On Selection: 8
India
Bishwajit Chakraborty
ANN
Seafloor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
96
40
0.417
* Total i10 IndexRankings
Ranking Based On Selection: 9
India
Ramaiah Nagappa
Marine Biology
Biotechnology
Molecular Biology
Biological Oceanography and Marine Biodiversity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
53
0.589
* Total i10 IndexRankings
Ranking Based On Selection: 10
India
B. Nagender Nath
Geology
Marine Geology
Geochemistry
Marine sediments
manganese nodules
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
89
57
0.640

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* Total i10 IndexRankings
Ranking Based On Selection: 11
India
Anupam Sarkar
Marine pollution
Ecotoxicology
DNA impairment
Acetylcholinesterase activity
oxidative stress
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
28
0.359
* Total i10 IndexRankings
Ranking Based On Selection: 12
India
Mangesh Gauns
Biological oceanography
plankton ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
56
0.757
* Total i10 IndexRankings
Ranking Based On Selection: 13
India
V. Purnachandra Rao
Marine Geology
Estuarine and shelf processes
Palaeo-sea levels and climate
phosphorites
clay minerals
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
44
0.595
* Total i10 IndexRankings
Ranking Based On Selection: 14
India
D Shankar
Tropical ocean dynamics
air-sea interaction
marine ecosystems.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
70
61
0.871
* Total i10 IndexRankings
Ranking Based On Selection: 15
India
TNR SRINIVAS
Microbial Ecology
Microbial Taxonomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
31
0.449
* Total i10 IndexRankings
Ranking Based On Selection: 16
India
Jyothibabu
Biophysical coupling of plankton
Plankton ecology and productivity pattern
fisheries
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
59
0.908
* Total i10 IndexRankings
Ranking Based On Selection: 17
India
Rajeev Saraswat
Paleoclimate
Micropaleontology
Biogenic Trace Metal and Isotopic Studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
52
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 18
India
KS Krishna
Lithospheric dynamics
Tectonics
Plate Tectonics
Marine Geophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
37
0.597
* Total i10 IndexRankings
Ranking Based On Selection: 19
India
KK Balachandran
Marine Science
Chemical Oceanography
Ecosystem Modeling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
45
0.763
* Total i10 IndexRankings
Ranking Based On Selection: 20
India
Pothuri Divakar Naidu
Paleoceanography
Paleoclimate
monsoon
foraminifera
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
30
0.577
* Total i10 IndexRankings
Ranking Based On Selection: 21
India
Srinivas Bikkina
Marine Chemistry
Atmsopheric Chemistry
Air-Sea Exchange of particles and trace gasses
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
50
0.980
* Total i10 IndexRankings
Ranking Based On Selection: 22
India
Abdulaziz Anas
Marine Microbial Ecology
Microbial Biogeochemistry
Microbial Biotechnology
Nanobiotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
41
0.804
* Total i10 IndexRankings
Ranking Based On Selection: 23
India
Ramesh Kumar MR
Monsoons
Ocean Atmosphere Interaction
Tropical Cyclones
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
29
0.569
* Total i10 IndexRankings
Ranking Based On Selection: 24
India
Pawan Dewangan
Gas Hydrate
Seismic anisotropy
seismic inversion
Rock physics and AVO modeling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
36
0.735
* Total i10 IndexRankings
Ranking Based On Selection: 25
India
Sila Tripati
Maritime Archaeology
shipwrecks
stone anchors
shoreline changes
ports
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
6
0.125
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 1
Prasanna Kumar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
236
119
0.504
Ocean circulation & Water masses
Physical-biological coupling
Climate change
Beach dynamics & Coastal Oceanography
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 2
Shyam Murti Gupta
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
187
79
0.422
marine geology
microapaleontology
paleoclimate / oceanography
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 3
SWA Naqvi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
163
121
0.742
Global Change
Chemical Oceanography
Aquatic Biogeochemistry
Nitrogen Cycle
Paleoceanography
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 4
VVSS SARMA
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
145
118
0.814
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 5
Rajiv Nigam
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
126
56
0.444
Foraminifera
Paleoclimate
Sealevel changes
Paleomonsoon
Marine Archaeology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 6
AC Anil
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
119
72
0.605
Marine Biology
Marine Ecology
Biological Oceanography
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 7
Sanil Kumar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
114
83
0.728
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 8
Bishwajit Chakraborty
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
96
40
0.417
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 9
Ramaiah Nagappa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
53
0.589
Marine Biology
Biotechnology
Molecular Biology
Biological Oceanography and Marine Biodiversity
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 10
B. Nagender Nath
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
89
57
0.640
Geology
Marine Geology
Geochemistry
Marine sediments
manganese nodules

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 11
Anupam Sarkar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
28
0.359
Marine pollution
Ecotoxicology
DNA impairment
Acetylcholinesterase activity
oxidative stress
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 12
Mangesh Gauns
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
56
0.757
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 13
V. Purnachandra Rao
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
44
0.595
Marine Geology
Estuarine and shelf processes
Palaeo-sea levels and climate
phosphorites
clay minerals
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 14
D Shankar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
70
61
0.871
Tropical ocean dynamics
air-sea interaction
marine ecosystems.
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 15
TNR SRINIVAS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
31
0.449
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 16
Jyothibabu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
59
0.908
Biophysical coupling of plankton
Plankton ecology and productivity pattern
fisheries
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 17
Rajeev Saraswat
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
52
0.800
Paleoclimate
Micropaleontology
Biogenic Trace Metal and Isotopic Studies
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 18
KS Krishna
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
37
0.597
Lithospheric dynamics
Tectonics
Plate Tectonics
Marine Geophysics
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 19
KK Balachandran
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
45
0.763
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 20
Pothuri Divakar Naidu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
30
0.577
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 21
Srinivas Bikkina
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
50
0.980
Marine Chemistry
Atmsopheric Chemistry
Air-Sea Exchange of particles and trace gasses
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 22
Abdulaziz Anas
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
41
0.804
Marine Microbial Ecology
Microbial Biogeochemistry
Microbial Biotechnology
Nanobiotechnology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 23
Ramesh Kumar MR
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
29
0.569
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 24
Pawan Dewangan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
36
0.735
Gas Hydrate
Seismic anisotropy
seismic inversion
Rock physics and AVO modeling
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 25
Sila Tripati
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
6
0.125
Maritime Archaeology
shipwrecks
stone anchors
shoreline changes
ports