Total 2,403,032 scientists, country 221, and institutions 24,466 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,
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* Total i10 IndexRankings
Ranking Based On Selection: 1
![S Nagarajan](https://cdn.adscientificindex.com/pictures/0c/424123.jpg)
Organic Electronic Materials
Organic Electronics
Organic Semiconductors
Environmental Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
68
40
0.588
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Sasanka Dalapati](https://cdn.adscientificindex.com/pictures/bd/423551.jpg)
Physical Chemistry
Photochemistry
Material Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
33
0.717
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Mohan Das Thangamuthu](/user/assets/images/profile/no-profile-photo.png)
Carbohydrate chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
13
0.317
* Total i10 IndexRankings
Ranking Based On Selection: 4
![V Rajendiran](https://cdn.adscientificindex.com/pictures/6a/299449.jpg)
Coordination
Bioinorganic and Medicinal inorganic Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
14
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Prabha Vadivelu](/user/assets/images/profile/no-profile-photo.png)
Computational chemistry
Inorganic Chemistry
Catalysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
9
0.529
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Farheen Khurshid](https://cdn.adscientificindex.com/pictures/15/5246417.jpg)
Materials Chemistry
Organic Chemistry
Electrochemical and Photo-Electrochemical CO2 Reduction
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Panneerselvam Devibala](https://cdn.adscientificindex.com/pictures/2b/5457930.jpg)
Organic Synthesis
Organic Electronics
Organic field-effect transistors
Organic memory devices
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Angela Maria Varghese](https://cdn.adscientificindex.com/pictures/be/5580341.jpg)
organic synthesis
organic electronics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Vittal Babu Gudimetla](/user/assets/images/profile/no-profile-photo.png)
Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
2
0.400
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Balambiga Balu](https://cdn.adscientificindex.com/pictures/f5/5250237.jpg)
Organic electronics
Organic synthesis
Material chemistry
Organic chemistry
Organic semiconducting devices
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
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 IndexRankings
Ranking Based On Selection: 11
![Vasantham Karuppiah](https://cdn.adscientificindex.com/pictures/52/5250719.jpg)
Synthetic Organic Chemistry
Chemical Biology.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
0
0.000
* Total i10 IndexRankings
Ranking Based On Selection: 12
![John Prakash](https://cdn.adscientificindex.com/pictures/6b/5700836.jpg)
Fluorescence spectroscopy & Photochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
0
0.000
S Nagarajan
Central University of Tamil Nadu
Thiruvarur, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
68
40
0.588
Organic Electronic Materials
Organic Electronics
Organic Semiconductors
Environmental Science
Sasanka Dalapati
Central University of Tamil Nadu
Thiruvarur, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
33
0.717
Physical Chemistry
Photochemistry
Material Chemistry
Mohan Das Thangamuthu
Central University of Tamil Nadu
Thiruvarur, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
13
0.317
V Rajendiran
Central University of Tamil Nadu
Thiruvarur, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
14
0.667
Coordination
Bioinorganic and Medicinal inorganic Chemistry
Prabha Vadivelu
Central University of Tamil Nadu
Thiruvarur, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
9
0.529
Computational chemistry
Inorganic Chemistry
Catalysis
Farheen Khurshid
Central University of Tamil Nadu
Thiruvarur, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
Materials Chemistry
Organic Chemistry
Electrochemical and Photo-Electrochemical CO2 Reduction
Panneerselvam Devibala
Central University of Tamil Nadu
Thiruvarur, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
Organic Synthesis
Organic Electronics
Organic field-effect transistors
Organic memory devices
Angela Maria Varghese
Central University of Tamil Nadu
Thiruvarur, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
organic synthesis
organic electronics
Vittal Babu Gudimetla
Central University of Tamil Nadu
Thiruvarur, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
2
0.400
Balambiga Balu
Central University of Tamil Nadu
Thiruvarur, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Organic electronics
Organic synthesis
Material chemistry
Organic chemistry
Organic semiconducting devices
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!
Vasantham Karuppiah
Central University of Tamil Nadu
Thiruvarur, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
0
0.000
Synthetic Organic Chemistry
Chemical Biology.
John Prakash
Central University of Tamil Nadu
Thiruvarur, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
0
0.000
Fluorescence spectroscopy & Photochemistry