Total 2,424,675 scientists, country 221, and institutions 24,468 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
![G Parthasarathy](https://cdn.adscientificindex.com/pictures/af/4412000.jpg)
Physics
Earth & Planetary Science
Mineral Physics
Nanogeoscience
Social Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
22
0.227
* Total i10 IndexRankings
Ranking Based On Selection: 2
![PSR Prasad](https://cdn.adscientificindex.com/pictures/40/4412007.jpg)
Mineral Physics
Gas Hydrates
CCS
Nonlinear optics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
66
42
0.636
* Total i10 IndexRankings
Ranking Based On Selection: 3
![N Purnachandra Rao](https://cdn.adscientificindex.com/pictures/a2/4411810.jpg)
Seismology
Geophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
35
0.593
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Dipankar Sarkar](https://cdn.adscientificindex.com/pictures/b8/4411081.jpg)
geophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
26
0.565
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Anand P Singh](https://cdn.adscientificindex.com/pictures/a6/4410783.jpg)
Geophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
29
0.784
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Bijendra Singh](https://cdn.adscientificindex.com/pictures/26/4410915.jpg)
Potential field geophysics
Geodynamics and vertical crustal deformation studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
21
0.636
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Abhey Ram Bansal](https://cdn.adscientificindex.com/pictures/55/4410710.jpg)
Fractals
Signal Processing
Geophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
18
0.643
* Total i10 IndexRankings
Ranking Based On Selection: 8
![K Arora](https://cdn.adscientificindex.com/pictures/1c/4411562.jpg)
geophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
14
0.560
G Parthasarathy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
22
0.227
Physics
Earth & Planetary Science
Mineral Physics
Nanogeoscience
Social Science
PSR Prasad
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
66
42
0.636
Mineral Physics
Gas Hydrates
CCS
Nonlinear optics
N Purnachandra Rao
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
35
0.593
Dipankar Sarkar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
26
0.565
Anand P Singh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
29
0.784
Bijendra Singh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
21
0.636
Potential field geophysics
Geodynamics and vertical crustal deformation studies
Abhey Ram Bansal
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
18
0.643
K Arora
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
14
0.560