India's Top 2% Scientists 2021

India has 3,352 scientists on the 2021 single-year Top 2% list, up 44.9% from 2,313 in 2020. That places India 12th in the world by number of listed scientists, up 1 place. Indian Institute of Science has the most listed scientists (111), followed by Indian Institute of Technology Delhi (93).

Single Year

3,352

+1,039 (+44.9%) vs 2020

Career Data

2,042

+551 (+37.0%) vs 2020

World rank by count

#12

up 1 place vs 2020

Institutes

958

+245 (+34.4%) vs 2020

Scientists in India on the list, by year

The single-year count has grown 45% since 2020.

Single-year list, change on the previous year

2021+44.9%

2022+12.2%

2023+23.2%

2024+15.4%

2025+16.5%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	2,313		1,491
2021	3,352	+44.9%	2,042	+37.0%
2022	3,761	+12.2%	2,206	+8.0%
2023	4,635	+23.2%	2,578	+16.9%
2024	5,351	+15.4%	2,939	+14.0%
2025	6,236	+16.5%	3,371	+14.7%

Top 10 institutes in India

By number of listed scientists

Single-year list2021

Show the list

All 3,352 scientists

Single-year list2021

The first 100 are free to browse.

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Rank in India	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	273	GH Garg, Harish	Thapar Institute of Engineering & Technology	Artificial Intelligence & Image Processing	Rank 16
2	312	Ali, Imran	Jamia Millia Islamia	Analytical Chemistry	Rank 2
3	581	DG Desiraju, Gautam R.	Indian Institute of Science	Inorganic & Nuclear Chemistry	Rank 3
4	611	SR Siddique, Rafat	Thapar Institute of Engineering & Technology	Building & Construction	Rank 4
5	638	ST Sathish, T.	Saveetha School of Engineering	Materials	Rank 13
6	712	RR Rao, Ravipudi Venkata	S. V. National Institute of Technology	Industrial Engineering & Automation	Rank 2
7	952	RC Rao, C. N.R.	Jawaharlal Nehru Centre for Advanced Scientific Research	Chemical Physics	Rank 21
8	1,113	PA Pandey, Ashok	Indian Institute of Toxicology Research	Biotechnology	Rank 2
9	1,807	GP Gogate, Parag R.	Institute of Chemical Technology	Chemical Engineering	Rank 10
10	1,846	KV Kumar, Vikas	Indian School of Business	Marketing	Rank 11
11	2,118	AA Agarwal, Avinash Kumar	Indian Institute of Technology Kanpur	Energy	Rank 45
12	2,499	AP Ahmad, Parvaiz	S.P. College, Srinagar	Plant Biology & Botany	Rank 19
13	2,574	TN Tuteja, Narendra	International Centre for Genetic Engineering and Biotechnology	Plant Biology & Botany	Rank 20
14	2,801	TS Thomas, Sabu	Mahatma Gandhi University	Polymers	Rank 12
15	3,247	Jha, Vivekanand	Manipal Academy of Higher Education	Urology & Nephrology	Rank 14
16	3,319	PT Padmanabhan, T.	Inter-University Centre for Astronomy and Astrophysics India	Nuclear & Particle Physics	Rank 28
17	3,968	Ahmaruzzaman, Md	National Institute of Technology Silchar	Chemical Engineering	Rank 24
18	4,154	SB Singh, Bhim	Indian Institute of Technology Delhi	Electrical & Electronic Engineering	Rank 13
19	4,206	Tiwari, Aviral Kumar	Rajagiri Business School	Economics	Rank 77
20	4,408	GR Gupta, Rajeev	Eternal Heart Care Centre and Research Institute	General & Internal Medicine	Rank 68
21	4,695	DU Das, Undurti N.	GVP Medical College and Hospital	Nutrition & Dietetics	Rank 33
22	4,896	MV Mohan, Viswanathan	Madras Diabetes Research Foundation	Endocrinology & Metabolism	Rank 98
23	4,984	PD Philip, Daizy	Mar Ivanios College, Thiruvananthapuram	Chemical Physics	Rank 102
24	5,120	SJ Sarkar, Jahar	Indian Institute of Technology Banaras Hindu University	Mechanical Engineering & Transports	Rank 54
25	5,199	VR Varshney, Rajeev K.	International Crops Research Institute for the Semi-Arid Tropics	Plant Biology & Botany	Rank 57
26	5,239	SS Sarin, Shiv K.	Institute of Liver and Biliary Sciences	Gastroenterology & Hepatology	Rank 70
27	5,554	YS Yadav, Sudesh Kumar	Center of Innovative and Applied Bioprocessing	Plant Biology & Botany	Rank 65
28	5,625	VM Venkata Mohan, S.	Indian Institute of Chemical Technology	Biotechnology	Rank 17
29	5,868	PM Pal, Mahesh	National Institute of Technology Kurukshetra	Geological & Geomatics Engineering	Rank 51
30	6,155	PN Pradhan, Narayan	Indian Association for the Cultivation of Science	Physical Chemistry	Rank 31
31	6,187	SA Sen, Ashoke	Harish Chandra Research Institute	Nuclear & Particle Physics	Rank 61
32	6,373	SN Singh, Narpinder	Guru Nanak Dev University	Food Science	Rank 38
33	6,446	FS Flora, S. J.S.	National Institute of Pharmaceutical Education and Research, Raebareli	Toxicology	Rank 26
34	6,512	SK Srinivasan, Krishnapura	Central Food Technological Research Institute India	Food Science	Rank 39
35	6,546	SR Singh, Rajesh Kr	Management Development Institute, Gurgaon	Oncology & Carcinogenesis	Rank 241
36	6,566	SV Srivastava, Vimal Chandra	Indian Institute of Technology Roorkee	Chemical Engineering	Rank 34
37	6,581	LD Late, Dattatray J.	Amity University, Maharashtra	Applied Physics	Rank 133
38	6,678	AT Aminabhavi, Tejraj M.	Karnatak University	Polymers	Rank 41
39	6,878	DA Das, Ashok Kumar	International Institute of Information Technology, Hyderabad	Networking & Telecommunications	Rank 46
40	6,882	NP Nidheesh, P. V.	National Environmental Engineering Research Institute India	Environmental Sciences	Rank 70
41	6,939	BM Basu, M.	Jadavpur University	Energy	Rank 142
42	7,042	SJ Singh, Jagdev	JECRC University	Applied Mathematics	Rank 27
43	7,420	KD Kundu, Debasis	Indian Institute of Technology Kanpur	Statistics & Probability	Rank 59
44	7,444	MV Mohanavel, V.	Bharath Institute of Higher Education and Research	Materials	Rank 116
45	7,699	BR Banerjee, Rahul	Indian Institute of Science Education and Research Kolkata	Inorganic & Nuclear Chemistry	Rank 26
46	8,000	PA Patra, Amlan K.	West Bengal University of Animal and Fishery Sciences	Dairy & Animal Science	Rank 11
47	8,141	MD Mohan, Dinesh	Jawaharlal Nehru University	Environmental Sciences	Rank 84
48	8,288	Senthil Kumar, P.	SSN College of Engineering, Kalavakkam	Chemical Engineering	Rank 41
49	8,499	NH Nagendra, Harini	Azim Premji University	Ecology	Rank 222
50	8,570	VS Varjani, Sunita	Gujarat Pollution Control Board	Biotechnology	Rank 24
51	8,950	DY Devarajan, Yuvarajan	Madanapalle Institute of Technology & Science	Energy	Rank 180
52	9,028	SS Sharma, S. K.	All India Institute of Medical Sciences, New Delhi	Nuclear Medicine & Medical Imaging	Rank 19
53	9,085	MS Mittal, Sparsh	Indian Institute of Technology Roorkee	Computer Hardware & Architecture	Rank 2
54	9,112	MA Mittal, Alok	Maulana Azad National Institute of Technology	Chemical Engineering	Rank 49
55	9,234	LC Lokhande, Chandrakant D.	D. Y. Patil University, Kolhapur	Applied Physics	Rank 183
56	9,294	SS Sundar, Shyam	Banaras Hindu University, Institute of Medical Sciences	Tropical Medicine	Rank 9
57	9,476	SR Sankaranarayanan, Rengaswamy	RTI International	Oncology & Carcinogenesis	Rank 350
58	9,505	DS Das, Swagatam	Indian Statistical Institute, Kolkata	Artificial Intelligence & Image Processing	Rank 267
59	9,620	JN Jana, Nikhil R.	Indian Association for the Cultivation of Science	Nanoscience & Nanotechnology	Rank 249
60	9,776	RK Reddy, K. Srinath	Public Health Foundation of India	General & Internal Medicine	Rank 132
61	9,834	Suthar, Surindra	Doon University	Environmental Sciences	Rank 104
62	9,855	PM Prasad, M. N.V.	University of Hyderabad	Environmental Sciences	Rank 106
63	10,301	SS Sana, Shib Sankar	Kishore Bharati Bhagini Nivedita College	Operations Research	Rank 48
64	10,484	RM Rai, Mahendra	Sant Gadge Baba Amravati University	Nanoscience & Nanotechnology	Rank 265
65	10,643	Sakthivel, R.	Bharathiar University	Industrial Engineering & Automation	Rank 103
66	10,673	KN Kumar, Neeraj	Thapar Institute of Engineering & Technology	Networking & Telecommunications	Rank 73
67	10,792	SY Sharma, Yogesh C.	Indian Institute of Technology Banaras Hindu University	Energy	Rank 215
68	10,884	BK Biswas, Kanishka	Jawaharlal Nehru Centre for Advanced Scientific Research	Nanoscience & Nanotechnology	Rank 273
69	10,985	Roy, Kunal	Jadavpur University	Medicinal & Biomolecular Chemistry	Rank 26
70	11,115	GB Goswami, B. N.	Cotton University	Meteorology & Atmospheric Sciences	Rank 206
71	11,120	MA Mandal, Ajay	Indian Institute of Technology (Indian School of Mines), Dhanbad	Energy	Rank 223
72	11,226	RR Rajkumar, Ravi Philip	Jawaharlal Institute of Postgraduate Medical Education and Research	Psychiatry	Rank 254
73	11,236	AC Andrade, Chittaranjan	National Institute of Mental Health and Neuro Sciences	Psychiatry	Rank 255
74	11,239	PK Parida, Kulamani	Siksha O Anusandhan (Deemed to be University)	Physical Chemistry	Rank 58
75	11,265	SG Singh, Girish Kumar	Indian Institute of Technology Roorkee	Energy	Rank 226
76	11,773	NC Nautiyal, Chandra Shekhar	National Botanical Research Institute India	Microbiology	Rank 255
77	11,823	PK Priyadarsini, K. Indira	University of Mumbai	Chemical Physics	Rank 225
78	11,857	SS Sushil, S.	Indian Institute of Technology Delhi	Business & Management	Rank 293
79	12,055	JR Jayakumar, Rangasamy	Amrita Vishwa Vidyapeetham University, Kochi	Polymers	Rank 86
80	12,112	SS Salvi, Sundeep Santosh	Pulmocare Research and Education (PURE) Foundation	Respiratory System	Rank 79
81	12,189	SM Sebastian, Mailadil Thomas	National Institute for Interdisciplinary Science and Technology	Materials	Rank 208
82	12,369	Arya, Yogendra	Maharaja Surajmal Institute of Technology	Energy	Rank 250
83	12,374	PP Patil, P. S.	Shivaji University	Applied Physics	Rank 254
84	12,525	WV Wiwanitkit, Viroj	Dr. D.Y. Patil Vidyapeeth Deemed University, Pune	Tropical Medicine	Rank 15
85	12,553	YC Yajnik, C. S.	KEM Hospital	Endocrinology & Metabolism	Rank 248
86	12,706	TG Tiwari, G. N.	BAG-Energy Research Society	Energy	Rank 257
87	12,770	VS Vinodh, S.	National Institute of Technology Tiruchirappalli	Business & Management	Rank 307
88	12,984	AR Agarwal, Ritesh	Postgraduate Institute of Medical Education & Research, Chandigarh	Respiratory System	Rank 89
89	13,218	RT Rudrapatnam, Tharanathan N.	Central Food Technological Research Institute India	Food Science	Rank 73
90	13,391	RP Ray, Partha Pratim	Sikkim University	Networking & Telecommunications	Rank 95
91	13,768	BB Basu, Bikramjit	Indian Institute of Science	Materials	Rank 239
92	13,817	GR Gupta, Rajeev	Indian Institute of Technology Kanpur	Nuclear & Particle Physics	Rank 152
93	13,862	SR Singh, Rupinder	Guru Nanak Dev Engineering College, Ludhiana	Materials	Rank 240
94	13,869	CP Chattaraj, Pratim Kumar	Indian Institute of Technology Kharagpur	Chemical Physics	Rank 268
95	14,008	GA Goel, Atul	Seth GS Medical College and KEM Hospital	Neurology & Neurosurgery	Rank 831
96	14,028	SA Sangaiah, Arun K.	Vellore Institute of Technology	Networking & Telecommunications	Rank 99
97	14,121	CS Chakraborty, Suman	Indian Institute of Technology Kharagpur	Fluids & Plasmas	Rank 102
98	14,538	RS Ramaswamy, Sriram	Indian Institute of Science	Fluids & Plasmas	Rank 104
99	14,683	PK Palanikumar, K.	Sri Sai Ram Institute of Technology	Materials	Rank 262
100	14,838	Dhakshinamoorthy, Amarajothi	Madurai Kamaraj University	Organic Chemistry	Rank 208
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Countries with a similar count

Single-year list2021

France5,274 scientistsin 2021

Netherlands3,945 scientistsin 2021

Spain3,402 scientistsin 2021

Switzerland3,016 scientistsin 2021

South Korea2,715 scientistsin 2021

Sweden2,438 scientistsin 2021

Explore other countries

Single-year list2021

Iran1,701 scientistsin 2021

Pakistan380 scientistsin 2021

Bangladesh97 scientistsin 2021

Sri Lanka24 scientistsin 2021

China16,611 scientistsin 2021

Japan5,416 scientistsin 2021

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Frequently asked questions

How many scientists from India are in the 2021 Stanford Top 2% list?

3,352 scientists affiliated with India are on the 2021 single-year list, and 2,042 are on the career-long list.

Which institute in India has the most Top 2% scientists?

On the 2021 single-year list, Indian Institute of Science has the most listed scientists from India, with 111. It is followed by Indian Institute of Technology Delhi with 93.

How has the number of Top 2% scientists in India changed since 2020?

On the single-year list, India went from 2,313 scientists in 2020 to 3,352 in 2021, a change of +44.9%.

What is the difference between the single-year and career-long lists?

The single-year list ranks scientists on the citations their work received in one year. The career-long list ranks them on citations across their whole career. Both lists are published every year, and a scientist can be on one, both or neither.

What is the official source of this data?

The rankings come from the science-wide author databases of standardized citation indicators published by Ioannidis et al. in the Elsevier Data Repository, updated every year. TOPSCINET, an independent platform, organises that data by country, year, institute and field, so you can compare and explore it.