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
2,082,617
Country Rank
118,643
Institution Rank : 46
![](https://cdn.adscientificindex.com/logos/8141.png)
![India](/flags/in.png)
![Vijay Kumar Thangellapali](/pictures/dd/5174726.jpg)
Economic history
Agrarian history
Famine history of South Asia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6
5
0.833
* Total Citation Counts Rankings
World Rank
2,092,427
Country Rank
119,558
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/18229.png)
![India](/flags/in.png)
![Rajeev Rai](/pictures/05/4660814.jpg)
Sikkim history
British colonial history
Eastern Himalayan Studies
Sikkim Studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
2,082,617
![India](/flags/in.png)
118,643
![](https://cdn.adscientificindex.com/logos/8141.png)
46
Vijay Kumar Thangellapali
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6
5
0.833
![](https://cdn.adscientificindex.com/logos/8141.png)
Economic history
Agrarian history
Famine history of South Asia
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
2,092,427
![India](/flags/in.png)
119,558
![](https://cdn.adscientificindex.com/logos/18229.png)
3
Rajeev Rai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
![](https://cdn.adscientificindex.com/logos/18229.png)
Sikkim history
British colonial history
Eastern Himalayan Studies
Sikkim Studies