Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1

Rheumatology and clinical immunolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,122
1,060
0.500
* Total Citation Counts Rankings
Ranking Based On Selection: 2

community health nursin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
761
189
0.248
* Total Citation Counts Rankings
Ranking Based On Selection: 3

Phytochemistry and Pharmacognos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
594
226
0.380
* Total Citation Counts Rankings
Ranking Based On Selection: 4

cardiology
Outcome analysis
Cardiology logic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
473
204
0.431
* Total Citation Counts Rankings
Ranking Based On Selection: 5

Agricultural Entomolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
394
202
0.513
* Total Citation Counts Rankings
Ranking Based On Selection: 6

solid orals
vesicular drug delivery
Nanoparticles
Polymer chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
342
327
0.956
* Total Citation Counts Rankings
Ranking Based On Selection: 7

Audiology
Neurology
Auditory electrophysiology
vestibular evaluation
Pediatric Audiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
217
167
0.770
Raghavendra Haniadka
Madras Medical College
Tamil Nadu, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,122
1,060
0.500
Rheumatology and clinical immunolog
Valli Krishnan G
Madras Medical College
Tamil Nadu, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
761
189
0.248
community health nursin
Rajendran Vadivu
Madras Medical College
Tamil Nadu, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
594
226
0.380
Venkatesan Sangareddi
Madras Medical College
Tamil Nadu, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
473
204
0.431
cardiology
Outcome analysis
Cardiology logic
K Bhanu
Madras Medical College
Tamil Nadu, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
394
202
0.513
Jaison Darson
Madras Medical College
Tamil Nadu, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
342
327
0.956
solid orals
vesicular drug delivery
Nanoparticles
Polymer chemistr
Sangu Srinivasan Vignesh|sangu srinivasan vignesh
Madras Medical College
Tamil Nadu, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
217
167
0.770
Audiology
Neurology
Auditory electrophysiology
vestibular evaluation
Pediatric Audiolog