Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
765,070
Country Rank
24,868
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/18999.jpg)
![India](/flags/in.png)
![Sarita Sasidharanpillai](/user/assets/images/profile/no-profile-photo.png)
Drug reactions
Leprosy
Sexually transmitted infections
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
763
537
0.704
* Total Citation Counts Rankings
World Rank
843,368
Country Rank
29,138
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/18999.jpg)
![India](/flags/in.png)
![Sandeep Appunni](/pictures/5a/4811729.jpg)
Oncology
Clinical Biochemistry
Computational Biology
Stroke
Heart Failure
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
606
572
0.944
* Total Citation Counts Rankings
World Rank
961,658
Country Rank
36,380
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/18999.jpg)
![India](/flags/in.png)
![Manoj K](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
410
134
0.327
* Total Citation Counts Rankings
World Rank
1,013,193
Country Rank
39,744
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/18999.jpg)
![India](/flags/in.png)
![Devi Keerankulangara](/user/assets/images/profile/no-profile-photo.png)
cutaneous drug reactions
leprosy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
341
145
0.425
* Total Citation Counts Rankings
World Rank
1,044,343
Country Rank
41,855
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/18999.jpg)
![India](/flags/in.png)
![Raju Karuppal](/pictures/c4/4811727.jpg)
Joint replacement and arthroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
304
261
0.859
* Total Citation Counts Rankings
World Rank
1,473,329
Country Rank
68,926
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/18999.jpg)
![India](/flags/in.png)
![Joe James](/pictures/51/4811728.jpg)
Neurology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
81
72
0.889
* Total Citation Counts Rankings
World Ranking
765,070
Country Ranking
24,868
Institution Ranking
1
Sarita Sasidharanpillai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
763
537
0.704
![](https://cdn.adscientificindex.com/logos/18999.jpg)
Drug reactions
Leprosy
Sexually transmitted infections
* Total Citation Counts Rankings
World Ranking
843,368
Country Ranking
29,138
Institution Ranking
2
Sandeep Appunni
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
606
572
0.944
![](https://cdn.adscientificindex.com/logos/18999.jpg)
Oncology
Clinical Biochemistry
Computational Biology
Stroke
Heart Failure
* Total Citation Counts Rankings
World Ranking
961,658
Country Ranking
36,380
Institution Ranking
3
Manoj K
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
410
134
0.327
* Total Citation Counts Rankings
World Ranking
1,013,193
Country Ranking
39,744
Institution Ranking
4
Devi Keerankulangara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
341
145
0.425
* Total Citation Counts Rankings
World Ranking
1,044,343
Country Ranking
41,855
Institution Ranking
5
Raju Karuppal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
304
261
0.859
* Total Citation Counts Rankings
World Ranking
1,473,329
Country Ranking
68,926
Institution Ranking
6
Joe James
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
81
72
0.889