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" (888,752 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: 1
Rakesh Aggarwal
Gastroenterology
Viral hepatitis
Public Health
Health economics
Scientific communication
Metrics
H-Index
i10 Index
Citation
73
207
82,351

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

* Rankings
Ranking Based On Selection: 11
Jharna Mandal
Diarrhoeal diseases
urinary tract infections
antimicrobial resistance
Metrics
H-Index
i10 Index
Citation
29
57
2,945
* Rankings
Ranking Based On Selection: 13
Sunil Narayan
Neurology
stroke
neurobiology
motor neuron disease
multiple sclerosis
Metrics
H-Index
i10 Index
Citation
24
46
1,790
* Rankings
Ranking Based On Selection: 16
Sreejith Parameswaran
Kidney Transplantation
Dialysis Quality & Safety
CKDu
Clinical Epidemiology
Nephro-Pharmcology
Metrics
H-Index
i10 Index
Citation
22
40
2,917
* Rankings
Ranking Based On Selection: 17
Nivedita Nanda
Cardiovascular risk research
hypertension
oxidative stress
yoga
immunity
Metrics
H-Index
i10 Index
Citation
22
32
1,573
* Rankings
Ranking Based On Selection: 32
Nonika Rajkumari
Microbiology
Parasitic infections
STIs
maternal and child infections
Drug resistance
Metrics
H-Index
i10 Index
Citation
15
22
650
* Rankings
Ranking Based On Selection: 34
Balaji Bharadwaj
Psychiatry
Perinatal Psychiatry
Addiction Psychiatry
Consultation Liaison Psychiatry
Metrics
H-Index
i10 Index
Citation
15
26
985
* Rankings
Ranking Based On Selection: 36
Prasanna Udupi Bidkar
Neuroanaesthesiology
Neurocritical care
Intraoperative Neurophysiological monitoring (IONM)
Traumatic brain injury (TBI)
Metrics
H-Index
i10 Index
Citation
14
17
998
* Rankings
Ranking Based On Selection: 37
Priyamvada PS
Critical care Nephrology
Glomerular diseases
Nutrition in kidney disease
Acid base disorders
Metrics
H-Index
i10 Index
Citation
14
19
709
* Rankings
Ranking Based On Selection: 43
Chittoria
Plastic Surgery
Aesthetic Surgery
Anti-aging
Wound Healing
Telemedicine
Metrics
H-Index
i10 Index
Citation
13
19
912
* Rankings
Ranking Based On Selection: 52
Sathishbabu Murugaiyan
Maternal & Reproductive health
Non Communicable Diseases and Teaching - Learning innovative methods
Metrics
H-Index
i10 Index
Citation
11
17
394
* Rankings
Ranking Based On Selection: 57
Prashant Adole
Type 2 diabetes mellitus patients with acute coronary syndrome
Metrics
H-Index
i10 Index
Citation
10
12
263
* Rankings
Ranking Based On Selection: 77
Sudharsanan S
surgery
surgical oncology
minimal invasive surgery
Metrics
H-Index
i10 Index
Citation
8
4
244
* Rankings
Ranking Based On Selection: 80
Suma Hy
comet assay
SCSA
corrosion cast
umbilical blood vessels and preeclampsia
Metrics
H-Index
i10 Index
Citation
7
6
178
* Rankings
Ranking Based On Selection: 89
Gunaseelan Rajendran
Emergency cardiology & ECG
POCUS
Mechanical Ventilation
Simulation in EM
Medical Education
Metrics
H-Index
i10 Index
Citation
5
1
68
Rankings
Ranking Based On Selection: 1
Rakesh Aggarwal
Metrics
H-Index
i10 Index
Citation Counts
73
207
82,351
Gastroenterology
Viral hepatitis
Public Health
Health economics
Scientific communication
Rankings
Ranking Based On Selection: 2
Tropical dermatology
Pediatric dermatology
HIV and skin
Sexually transmitted diseases
Rankings
Ranking Based On Selection: 3
Vikas Menon
Metrics
H-Index
i10 Index
Citation Counts
36
129
7,175
Digital psychiatry
Suicidology
Consultation Liaison Psychiatry
Rankings
Ranking Based On Selection: 5
Gopal Krushna Pal
Metrics
H-Index
i10 Index
Citation Counts
33
68
3,665
sympathovagal imbalance
hypertension research
yoga
Rankings
Ranking Based On Selection: 6
Ravi Philip Rajkumar
Metrics
H-Index
i10 Index
Citation Counts
32
86
8,864
Psychiatry
Psychopharmacology
Psychoimmunology
Attachment theory
Rankings
Ranking Based On Selection: 7
Vikram Kate
Metrics
H-Index
i10 Index
Citation Counts
32
93
3,133
Rankings
Ranking Based On Selection: 8
Vir Singh Negi
Metrics
H-Index
i10 Index
Citation Counts
31
77
3,629
Clinical Immunology
immunogenetics
Rheumatology
Rankings
Ranking Based On Selection: 10
Shivanand Kattimani
Metrics
H-Index
i10 Index
Citation Counts
29
61
2,181
Psychiatry
Psychology
Substance abuse
Addiction
Mood disorders

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 11
Jharna Mandal
Metrics
H-Index
i10 Index
Citation Counts
29
57
2,945
Diarrhoeal diseases
urinary tract infections
antimicrobial resistance
Rankings
Ranking Based On Selection: 13
Sunil Narayan
Metrics
H-Index
i10 Index
Citation Counts
24
46
1,790
Neurology
stroke
neurobiology
motor neuron disease
multiple sclerosis
Rankings
Ranking Based On Selection: 14
Abdoul Hamide
Metrics
H-Index
i10 Index
Citation Counts
24
38
1,744
Infectious diseases
Gastroenterology
Rankings
Ranking Based On Selection: 16
Sreejith Parameswaran
Metrics
H-Index
i10 Index
Citation Counts
22
40
2,917
Kidney Transplantation
Dialysis Quality & Safety
CKDu
Clinical Epidemiology
Nephro-Pharmcology
Rankings
Ranking Based On Selection: 17
Nivedita Nanda
Metrics
H-Index
i10 Index
Citation Counts
22
32
1,573
Cardiovascular risk research
hypertension
oxidative stress
yoga
immunity
Rankings
Ranking Based On Selection: 18
Renuka Srinivasan
Metrics
H-Index
i10 Index
Citation Counts
22
42
2,746
ocular trauma
cataract pediatric ophthalmology
glaucoma
Rankings
Ranking Based On Selection: 20
Biswajit Dubashi
Metrics
H-Index
i10 Index
Citation Counts
21
39
1,590
CML
Multiple myeloma
Gastric
Breast Cancer
Rankings
Ranking Based On Selection: 23
Kalayarasan Raja
Metrics
H-Index
i10 Index
Citation Counts
19
30
1,603
Rankings
Ranking Based On Selection: 24
Anish Keepanasseril
Metrics
H-Index
i10 Index
Citation Counts
19
32
1,227
Maternal Fetal Medicine
Rankings
Ranking Based On Selection: 25
Girish C
Metrics
H-Index
i10 Index
Citation Counts
18
19
2,368
Rankings
Ranking Based On Selection: 27
Pradeep Nair
Metrics
H-Index
i10 Index
Citation Counts
18
26
1,478
Rankings
Ranking Based On Selection: 29
Chengappa Kavadichanda
Metrics
H-Index
i10 Index
Citation Counts
17
25
1,014
Rankings
Ranking Based On Selection: 30
Sandeep Kumar Mishra
Metrics
H-Index
i10 Index
Citation Counts
17
23
1,292
Airway
Critical Care
Thoracic Anaesthesia
Pediatric Anaesthesia
Rankings
Ranking Based On Selection: 32
Nonika Rajkumari
Metrics
H-Index
i10 Index
Citation Counts
15
22
650
Microbiology
Parasitic infections
STIs
maternal and child infections
Drug resistance
Rankings
Ranking Based On Selection: 33
Apurba Sankar Sastry
Metrics
H-Index
i10 Index
Citation Counts
15
21
893
Rankings
Ranking Based On Selection: 34
Balaji Bharadwaj
Metrics
H-Index
i10 Index
Citation Counts
15
26
985
Psychiatry
Perinatal Psychiatry
Addiction Psychiatry
Consultation Liaison Psychiatry
Rankings
Ranking Based On Selection: 36
Prasanna Udupi Bidkar
Metrics
H-Index
i10 Index
Citation Counts
14
17
998
Neuroanaesthesiology
Neurocritical care
Intraoperative Neurophysiological monitoring (IONM)
Traumatic brain injury (TBI)
Rankings
Ranking Based On Selection: 37
Priyamvada PS
Metrics
H-Index
i10 Index
Citation Counts
14
19
709
Critical care Nephrology
Glomerular diseases
Nutrition in kidney disease
Acid base disorders
Rankings
Ranking Based On Selection: 40
Raja J Selvaraj
Metrics
H-Index
i10 Index
Citation Counts
14
25
806
Rankings
Ranking Based On Selection: 41
Pampa Toi
Metrics
H-Index
i10 Index
Citation Counts
13
17
592
Rankings
Ranking Based On Selection: 43
Chittoria
Metrics
H-Index
i10 Index
Citation Counts
13
19
912
Plastic Surgery
Aesthetic Surgery
Anti-aging
Wound Healing
Telemedicine
Rankings
Ranking Based On Selection: 45
Devi Prasad Mohapatra
Metrics
H-Index
i10 Index
Citation Counts
12
15
917
Plastic Surgery
Craniofacial Surgery
Hand Surgery
Cosmetic Surgery
LASER
Rankings
Ranking Based On Selection: 46
Vadivelan Mehalingam
Metrics
H-Index
i10 Index
Citation Counts
12
13
443
Rankings
Ranking Based On Selection: 47
Satyen Parida
Metrics
H-Index
i10 Index
Citation Counts
12
12
558
Rankings
Ranking Based On Selection: 49
Ajay Kumarjha
Metrics
H-Index
i10 Index
Citation Counts
11
13
486
heart and lung transplantation
pediatric cardiac anaesthesia
Rankings
Ranking Based On Selection: 52
Sathishbabu Murugaiyan
Metrics
H-Index
i10 Index
Citation Counts
11
17
394
Maternal & Reproductive health
Non Communicable Diseases and Teaching - Learning innovative methods
Rankings
Ranking Based On Selection: 54
Siddhartha Das
Metrics
H-Index
i10 Index
Citation Counts
11
11
311
Rankings
Ranking Based On Selection: 57
Prashant Adole
Metrics
H-Index
i10 Index
Citation Counts
10
12
263
Type 2 diabetes mellitus patients with acute coronary syndrome
Rankings
Ranking Based On Selection: 60
Nagarajan Krishnan
Metrics
H-Index
i10 Index
Citation Counts
10
11
408
Rankings
Ranking Based On Selection: 65
Immunohematology
Transfusion Medicine
Medical Education
Rankings
Ranking Based On Selection: 69
Adarsh Mb
Metrics
H-Index
i10 Index
Citation Counts
9
6
358
Rankings
Ranking Based On Selection: 70
Shravya Keerthi Gorantla
Metrics
H-Index
i10 Index
Citation Counts
9
8
321
Molecular Work Physiology
Pre Diabetes
Yoga Therapy
Mind Body Medicine
Rankings
Ranking Based On Selection: 71
Jagadesan Pandjatcharam
Metrics
H-Index
i10 Index
Citation Counts
9
9
215
Radiation Toxicities
VMAT
Hypofractionated radiotherapy
Rankings
Ranking Based On Selection: 72
Subathra Adithan
Metrics
H-Index
i10 Index
Citation Counts
8
8
226
Rankings
Ranking Based On Selection: 73
Priyadharsini Rajendran
Metrics
H-Index
i10 Index
Citation Counts
8
7
304
Pharmacogenomics
drug safety
Pharmacoeconomics
clinical Pharmacology
Rankings
Ranking Based On Selection: 77
Sudharsanan S
Metrics
H-Index
i10 Index
Citation Counts
8
4
244
surgery
surgical oncology
minimal invasive surgery
Rankings
Ranking Based On Selection: 79
Venugopalan Gunasekaran
Metrics
H-Index
i10 Index
Citation Counts
7
4
170
older adult
frailty syndrome
sarcopenia
dementia
fall
Rankings
Ranking Based On Selection: 80
Suma Hy
Metrics
H-Index
i10 Index
Citation Counts
7
6
178
comet assay
SCSA
corrosion cast
umbilical blood vessels and preeclampsia
Rankings
Ranking Based On Selection: 82
Rajendra Kulkarni
Metrics
H-Index
i10 Index
Citation Counts
6
5
330
Rankings
Ranking Based On Selection: 83
Yadav Nisha
Metrics
H-Index
i10 Index
Citation Counts
5
3
98
Cancer biology
Breast Cancer
Biochemistry
Molecular biology
Rankings
Ranking Based On Selection: 86
Manu Ayyan
Metrics
H-Index
i10 Index
Citation Counts
5
2
120
Emergency Medicine
POCUS
Toxicology
Prehospital Care
Airway
Rankings
Ranking Based On Selection: 87
Pediredla Karunakar
Metrics
H-Index
i10 Index
Citation Counts
5
2
77
Rankings
Ranking Based On Selection: 88
Sasi Kumar
Metrics
H-Index
i10 Index
Citation Counts
5
2
70
POCUS
Emergency ECHO
Toxicology
Critical care
Pediatric Emergency medicine
Rankings
Ranking Based On Selection: 89
Gunaseelan Rajendran
Metrics
H-Index
i10 Index
Citation Counts
5
1
68
Emergency cardiology & ECG
POCUS
Mechanical Ventilation
Simulation in EM
Medical Education
Rankings
Ranking Based On Selection: 90
Dinesh Kumar S
Metrics
H-Index
i10 Index
Citation Counts
5
2
70
Craniofacial Surgery
Cleft Surgery
Microsurgery
Recontructive Transplantation
Rankings
Ranking Based On Selection: 93
Sasirekha Rengaraj
Metrics
H-Index
i10 Index
Citation Counts
4
2
100
High risk pregnancy
maternal medicine
Emergency Obstetrics
Rankings
Ranking Based On Selection: 95
Dharm Prakash Dwivedi
Metrics
H-Index
i10 Index
Citation Counts
4
1
67
Rankings
Ranking Based On Selection: 96
Paediatrics Neurology
Neuro Developmental Therapy
Cardio Respiratory Physiotherapy
Rankings
Ranking Based On Selection: 98
Basanta Manjari Naik
Metrics
H-Index
i10 Index
Citation Counts
3
2
40