Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,864 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :2
Ashutosh N Aggarwal
Epidemiology of chronic respiratory diseases
Pulmonary function testing
Health outcomes research
Interventional pulmonology
Metrics
H-Index
i10 Index
Citation
78
317
22,512
* Rankings
Ranking Based On Selection :4
Sandeep Grover
Consultation Liaison Psychiatry . Caregivers issues . Psychopharmacology. ECT. Psychosexual dysfunction
Metrics
H-Index
i10 Index
Citation
73
464
23,585
* Rankings
Ranking Based On Selection :7
Bikash Medhi
Experimental Pharmacology
Clinical Research
Regulatory pharmacology
Development of nano-formulations
Pharmacogenetics
Metrics
H-Index
i10 Index
Citation
51
175
9,200
* Rankings
Ranking Based On Selection :11
Shankar Prinja
Health Economics
Cost effectiveness analysis
Equity in health care
Public Health
Metrics
H-Index
i10 Index
Citation
46
160
7,058
* Rankings
Ranking Based On Selection :15
Manmeet Kaurhealth Promotion
Health promotion
Social determinants of health
Gender and health
Health literacy
Multi-sectoral
Metrics
H-Index
i10 Index
Citation
42
91
11,159
* Rankings
Ranking Based On Selection :17
Vishal Sharma
Inflammatory Bowel Disease
Gastrointestinal Tuberculosis
Ulcerative Colitis
Crohn's disease
Metrics
H-Index
i10 Index
Citation
40
166
6,751
* Rankings
Ranking Based On Selection :18
Ajay Prakash
Neuroscience
Clinical Trials
PvPI
MvPI
Drug Designing (in silico-in vitro- in vivo))
Metrics
H-Index
i10 Index
Citation
38
218
8,674
* Rankings
Ranking Based On Selection :25
Ranjana W Minz
autoimmunity
immunogenetics and transplant immunology
Metrics
H-Index
i10 Index
Citation
34
96
4,131
* Rankings
Ranking Based On Selection :28
Arun Kumar Aggarwal
Reproductive and Child Health
Nutrition
Operations Research
Verbal Autopsy
Quality of Health Care
Metrics
H-Index
i10 Index
Citation
32
77
3,091
* Rankings
Ranking Based On Selection :29
Madhu Gupta
maternal and child health
health inequalities
vaccines
infectious disease epidemiology
reproductive health
Metrics
H-Index
i10 Index
Citation
31
90
6,079
* Rankings
Ranking Based On Selection :61
Susanta Kumar Padhy
child and adolescent psychiatry
adult psychiatry
marital therapy
psychotherapy
Metrics
H-Index
i10 Index
Citation
22
43
2,328
* Rankings
Ranking Based On Selection :68
Pradip Kumar Saha
Placenta accreta spectrum(PAS)
gynecologic oncology
hypertensive disorder in pregnancy
Metrics
H-Index
i10 Index
Citation
21
48
2,602
* Rankings
Ranking Based On Selection :71
Lekha Saha
Neuropharmacology
Mechanistic studies
Pharmacoeconomics
clinical trials
Metrics
H-Index
i10 Index
Citation
20
35
2,533
* Rankings
Ranking Based On Selection :75
Sandeep Patel
Arthroplasty
Trauma
Pelvis- acetabulum
Orthobiologics
Foot & Ankle
Metrics
H-Index
i10 Index
Citation
18
36
2,256
* Rankings
Ranking Based On Selection :86
Shubh Mohan Singh
Noninvasive brain stimulation
Community Psychiatry
Psychodermatology
General Adult Psychiatry
COVID-19
Metrics
H-Index
i10 Index
Citation
16
34
1,226
* Rankings
Ranking Based On Selection :90
Sudip K Datta
Identification of predictive genetic markers for diabetes and its complications
Biochemical
Metrics
H-Index
i10 Index
Citation
15
19
743
* Rankings
Ranking Based On Selection :93
Sanjay Kumar Munjal
Auditory Electrophysiology
Tinnitus
Auditory Neuropathy Spectrum Disorder
Metrics
H-Index
i10 Index
Citation
15
19
808
* Rankings
Ranking Based On Selection :94
Archana Angrup
anaerobic bacteriology
antimicrobial resistance
antimicrobial stewardship
metagenomics
wound microbiology NSTIs
Metrics
H-Index
i10 Index
Citation
13
21
607
* Rankings
Ranking Based On Selection :95
Amol N Patil
Pharmacokinetics
Pharmacogenetics
Preclinical studies
Clinical trials
Pharmacometabolomics
Metrics
H-Index
i10 Index
Citation
13
17
554
Rankings
Ranking Based On Selection: 1
Ritesh Agarwal
Metrics
H-Index
i10 Index
Citation Counts
84
384
25,945
Allergic Bronchopulmonary Aspergillosis
Asthma
Bronchiectasis
Rankings
Ranking Based On Selection: 2
Ashutosh N Aggarwal
Metrics
H-Index
i10 Index
Citation Counts
78
317
22,512
Epidemiology of chronic respiratory diseases
Pulmonary function testing
Health outcomes research
Interventional pulmonology
Rankings
Ranking Based On Selection: 3
Anil Bhansali
Metrics
H-Index
i10 Index
Citation Counts
77
357
64,668
Rankings
Ranking Based On Selection: 4
Sandeep Grover
Metrics
H-Index
i10 Index
Citation Counts
73
464
23,585
Consultation Liaison Psychiatry . Caregivers issues . Psychopharmacology. ECT. Psychosexual dysfunction
Rankings
Ranking Based On Selection: 5
Radha K Dhiman
Metrics
H-Index
i10 Index
Citation Counts
65
254
16,620
Rankings
Ranking Based On Selection: 6
Ravindra Khaiwal
Metrics
H-Index
i10 Index
Citation Counts
58
126
15,924
Environmental Health
Occupational Health
& Climate Change & Health
Rankings
Ranking Based On Selection: 7
Bikash Medhi
Metrics
H-Index
i10 Index
Citation Counts
51
175
9,200
Experimental Pharmacology
Clinical Research
Regulatory pharmacology
Development of nano-formulations
Pharmacogenetics
Rankings
Ranking Based On Selection: 10
Mandeep Dhillon
Metrics
H-Index
i10 Index
Citation Counts
48
174
9,114
Orthopaedics
Sports Medicine
Foot
Arthroscopy
Arthroplasty
Rankings
Ranking Based On Selection: 11
Shankar Prinja
Metrics
H-Index
i10 Index
Citation Counts
46
160
7,058
Health Economics
Cost effectiveness analysis
Equity in health care
Public Health
Rankings
Ranking Based On Selection: 12
Inderpaul Singh Sehgal
Metrics
H-Index
i10 Index
Citation Counts
45
147
7,652
Rankings
Ranking Based On Selection: 13
Meenu Singh
Metrics
H-Index
i10 Index
Citation Counts
43
276
12,394
pediatrics
pulmonology
evidence based medicine
cochrane
Rankings
Ranking Based On Selection: 15
Manmeet Kaurhealth Promotion
Metrics
H-Index
i10 Index
Citation Counts
42
91
11,159
Health promotion
Social determinants of health
Gender and health
Health literacy
Multi-sectoral
Rankings
Ranking Based On Selection: 16
Naresh Sachdeva
Metrics
H-Index
i10 Index
Citation Counts
41
107
6,017
Rankings
Ranking Based On Selection: 17
Vishal Sharma
Metrics
H-Index
i10 Index
Citation Counts
40
166
6,751
Inflammatory Bowel Disease
Gastrointestinal Tuberculosis
Ulcerative Colitis
Crohn's disease
Rankings
Ranking Based On Selection: 18
Ajay Prakash
Metrics
H-Index
i10 Index
Citation Counts
38
218
8,674
Neuroscience
Clinical Trials
PvPI
MvPI
Drug Designing (in silico-in vitro- in vivo))
Rankings
Ranking Based On Selection: 20
Sadhna Sharma
Metrics
H-Index
i10 Index
Citation Counts
38
65
5,789
Tuberculosis
Nanomedicine
biochemistry
proteomics
Diabetes
Rankings
Ranking Based On Selection: 21
Amit Rawat
Metrics
H-Index
i10 Index
Citation Counts
37
119
4,396
Immunology
Primary Immunodeficiency
Autoimmunity
Rankings
Ranking Based On Selection: 23
Sunil K Arora
Metrics
H-Index
i10 Index
Citation Counts
35
97
5,032
Immunology of Infectious diseases
HIV
HCV
Leishmaniasis
Stem cells
Rankings
Ranking Based On Selection: 24
Deepak Bansal
Metrics
H-Index
i10 Index
Citation Counts
34
129
4,350
Rankings
Ranking Based On Selection: 25
Ranjana W Minz
Metrics
H-Index
i10 Index
Citation Counts
34
96
4,131
autoimmunity
immunogenetics and transplant immunology
Rankings
Ranking Based On Selection: 26
Ritambhra Nada
Metrics
H-Index
i10 Index
Citation Counts
33
129
4,255
Rankings
Ranking Based On Selection: 27
Neuroendoscopy
Minimal Invasive Spine
Keyhole Brain Surgery
Expanded Endonasal Surg
Rankings
Ranking Based On Selection: 28
Arun Kumar Aggarwal
Metrics
H-Index
i10 Index
Citation Counts
32
77
3,091
Reproductive and Child Health
Nutrition
Operations Research
Verbal Autopsy
Quality of Health Care
Rankings
Ranking Based On Selection: 29
Madhu Gupta
Metrics
H-Index
i10 Index
Citation Counts
31
90
6,079
maternal and child health
health inequalities
vaccines
infectious disease epidemiology
reproductive health
Rankings
Ranking Based On Selection: 30
Tarun Narang
Metrics
H-Index
i10 Index
Citation Counts
31
89
3,528
Rankings
Ranking Based On Selection: 31
Reena Das
Metrics
H-Index
i10 Index
Citation Counts
31
114
4,166
Rankings
Ranking Based On Selection: 32
Anup Ghosh
Metrics
H-Index
i10 Index
Citation Counts
30
65
3,378
Mycology
Microbiology
Cancer biology
Gene deletion
Candida
Rankings
Ranking Based On Selection: 37
Jyotdeep Kaur
Metrics
H-Index
i10 Index
Citation Counts
30
68
2,718
Rankings
Ranking Based On Selection: 39
Sonu Goel
Metrics
H-Index
i10 Index
Citation Counts
29
77
2,930
operation research
tobacco control
Human Resource Management
Rankings
Ranking Based On Selection: 40
Veena Dhawan
Metrics
H-Index
i10 Index
Citation Counts
29
68
2,783
Rankings
Ranking Based On Selection: 41
Vinay Keshavamurthy
Metrics
H-Index
i10 Index
Citation Counts
28
84
2,997
Immunobullous disorders
Vitiligo
Basal cell carcinoma
dermatosurgery
Rankings
Ranking Based On Selection: 42
Arun Bansal
Metrics
H-Index
i10 Index
Citation Counts
28
65
2,930
Rankings
Ranking Based On Selection: 43
Kuruswamy Thurai Prasad
Metrics
H-Index
i10 Index
Citation Counts
27
69
2,722
asthma
interventional pulmonology
critical care
lung transplantation
Rankings
Ranking Based On Selection: 44
Ratti Ram Sharma
Metrics
H-Index
i10 Index
Citation Counts
27
70
4,491
Rankings
Ranking Based On Selection: 45
Savita Verma Attri
Metrics
H-Index
i10 Index
Citation Counts
27
53
2,637
Rankings
Ranking Based On Selection: 47
Deepak Kaul
Metrics
H-Index
i10 Index
Citation Counts
27
79
2,579
Rankings
Ranking Based On Selection: 48
Abhishek Ghosh
Metrics
H-Index
i10 Index
Citation Counts
26
57
2,186
Addiction Psychiatry
Public Health
Drug and Alcohol Policy
Rankings
Ranking Based On Selection: 49
Manju Dhandapani
Metrics
H-Index
i10 Index
Citation Counts
26
38
1,820
Neuroscience Nursing
Critical care nursing
Brain tumor
Nurse led care
Trauma
Rankings
Ranking Based On Selection: 50
Kaushal K Prasad
Metrics
H-Index
i10 Index
Citation Counts
26
47
2,859
Celiac disease
Inflammatory bowel disease
Microscopic colitis
Rankings
Ranking Based On Selection: 51
Chetana Vaishnavi
Metrics
H-Index
i10 Index
Citation Counts
26
53
2,506
Microbiology
Gastrointestinal Infections
Leprosy
Immunology
toxicology
Rankings
Ranking Based On Selection: 52
Devi Dayal
Metrics
H-Index
i10 Index
Citation Counts
25
75
2,860
Rankings
Ranking Based On Selection: 53
Rajesh Chhabra
Metrics
H-Index
i10 Index
Citation Counts
25
62
1,899
Cerebrovascular Surgery
Spine Surgery
Neuro-Endoscopy
Rankings
Ranking Based On Selection: 54
Inusha Panigrahi
Metrics
H-Index
i10 Index
Citation Counts
25
68
2,282
Dysmorphology
thalassemias
skeletal dysplasias
Rankings
Ranking Based On Selection: 55
Narendra Kumar
Metrics
H-Index
i10 Index
Citation Counts
24
60
2,143
Rankings
Ranking Based On Selection: 56
Ashok Kumar Yadav
Metrics
H-Index
i10 Index
Citation Counts
24
39
1,686
Rankings
Ranking Based On Selection: 57
Manjul Tripathi
Metrics
H-Index
i10 Index
Citation Counts
23
72
2,766
Functional neurosurgery
Skull Base
Endoscopy
Gamma Knife Radiosurgery
Rankings
Ranking Based On Selection: 58
Varun Dhir
Metrics
H-Index
i10 Index
Citation Counts
23
52
2,047
Rankings
Ranking Based On Selection: 59
Lakshmi Narayana Yaddanapudi
Metrics
H-Index
i10 Index
Citation Counts
23
39
3,107
Rankings
Ranking Based On Selection: 60
Rahul Mahajan
Metrics
H-Index
i10 Index
Citation Counts
22
46
2,566
Pediatric Dermatolgy
Immunobullous Diseases
Psoriasis
Rankings
Ranking Based On Selection: 61
Susanta Kumar Padhy
Metrics
H-Index
i10 Index
Citation Counts
22
43
2,328
child and adolescent psychiatry
adult psychiatry
marital therapy
psychotherapy
Rankings
Ranking Based On Selection: 63
Sharad Prabhakar
Metrics
H-Index
i10 Index
Citation Counts
22
29
1,633
Trauma
Sports Injury
Shoulder
Knee
Rankings
Ranking Based On Selection: 65
Vignesh Pandiarajan
Metrics
H-Index
i10 Index
Citation Counts
21
48
2,013
Rankings
Ranking Based On Selection: 66
Prashant Sharma
Metrics
H-Index
i10 Index
Citation Counts
21
52
1,844
Rankings
Ranking Based On Selection: 67
Prateek Bhatia
Metrics
H-Index
i10 Index
Citation Counts
21
44
1,572
PATHOLOGY
HEMATOPATHOLGY
MOLECULAR DIAGNOSTICS
Rankings
Ranking Based On Selection: 68
Pradip Kumar Saha
Metrics
H-Index
i10 Index
Citation Counts
21
48
2,602
Placenta accreta spectrum(PAS)
gynecologic oncology
hypertensive disorder in pregnancy
Rankings
Ranking Based On Selection: 70
Sujata Ghosh
Metrics
H-Index
i10 Index
Citation Counts
21
35
1,140
Rankings
Ranking Based On Selection: 71
Lekha Saha
Metrics
H-Index
i10 Index
Citation Counts
20
35
2,533
Neuropharmacology
Mechanistic studies
Pharmacoeconomics
clinical trials
Rankings
Ranking Based On Selection: 74
Ashish Jain
Metrics
H-Index
i10 Index
Citation Counts
19
29
1,996
Rankings
Ranking Based On Selection: 75
Sandeep Patel
Metrics
H-Index
i10 Index
Citation Counts
18
36
2,256
Arthroplasty
Trauma
Pelvis- acetabulum
Orthobiologics
Foot & Ankle
Rankings
Ranking Based On Selection: 76
Tarundeep Singh
Metrics
H-Index
i10 Index
Citation Counts
18
29
1,160
Chronic Diseases
Geriatrics
Primary care
Health informatics
Rankings
Ranking Based On Selection: 77
Jaya Shukla
Metrics
H-Index
i10 Index
Citation Counts
18
35
1,188
Radiochemistry
nanotechnology
drug delivery
molecular imaging
Rankings
Ranking Based On Selection: 78
Ramandeep Singh
Metrics
H-Index
i10 Index
Citation Counts
18
24
1,750
Rankings
Ranking Based On Selection: 79
Renu Suthar
Metrics
H-Index
i10 Index
Citation Counts
17
31
1,226
Rankings
Ranking Based On Selection: 80
Tulika Gupta
Metrics
H-Index
i10 Index
Citation Counts
17
32
1,057
Epilepsy
Neuroanatomy
Molecular Biology
Surgical cardiac Anatomy
Rankings
Ranking Based On Selection: 84
Richa Jain
Metrics
H-Index
i10 Index
Citation Counts
16
21
717
Rankings
Ranking Based On Selection: 86
Shubh Mohan Singh
Metrics
H-Index
i10 Index
Citation Counts
16
34
1,226
Noninvasive brain stimulation
Community Psychiatry
Psychodermatology
General Adult Psychiatry
COVID-19
Rankings
Ranking Based On Selection: 87
Sachin Rai
Metrics
H-Index
i10 Index
Citation Counts
16
29
858
Rankings
Ranking Based On Selection: 88
Ravi Prakash Kanojia
Metrics
H-Index
i10 Index
Citation Counts
16
37
902
Rankings
Ranking Based On Selection: 90
Sudip K Datta
Metrics
H-Index
i10 Index
Citation Counts
15
19
743
Identification of predictive genetic markers for diabetes and its complications
Biochemical
Rankings
Ranking Based On Selection: 91
Vivek Sagar
Metrics
H-Index
i10 Index
Citation Counts
15
19
734
Rankings
Ranking Based On Selection: 93
Sanjay Kumar Munjal
Metrics
H-Index
i10 Index
Citation Counts
15
19
808
Auditory Electrophysiology
Tinnitus
Auditory Neuropathy Spectrum Disorder
Rankings
Ranking Based On Selection: 94
Archana Angrup
Metrics
H-Index
i10 Index
Citation Counts
13
21
607
anaerobic bacteriology
antimicrobial resistance
antimicrobial stewardship
metagenomics
wound microbiology NSTIs
Rankings
Ranking Based On Selection: 95
Amol N Patil
Metrics
H-Index
i10 Index
Citation Counts
13
17
554
Pharmacokinetics
Pharmacogenetics
Preclinical studies
Clinical trials
Pharmacometabolomics
Rankings
Ranking Based On Selection: 96
Shiv Lal Soni
Metrics
H-Index
i10 Index
Citation Counts
13
16
565
Neuroanaesthesia and critical care
Rankings
Ranking Based On Selection: 97
Suchet Sachdev
Metrics
H-Index
i10 Index
Citation Counts
13
21
1,537
Rankings
Ranking Based On Selection: 98
Minu Singh
Metrics
H-Index
i10 Index
Citation Counts
13
13
551
Rankings
Ranking Based On Selection: 100
Sahil Mehta
Metrics
H-Index
i10 Index
Citation Counts
12
14
436