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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,296 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 2
Raman Kumar Sehgal
Sustainable Manufacturing
Machine Learning
Decision Making
Optimization
Energy Optimizatio
Metrics
 
H-Index
i10 Index
Citation
37
87
4,382
* Rankings
Ranking Based On Selection: 3
Shashi Bahl
Thin Film Photovoltaics
Composites
Additive Manufacturing
Industry 4.0
Microwave Joinin
Metrics
 
H-Index
i10 Index
Citation
33
61
5,508
* Rankings
Ranking Based On Selection: 5
Sunil Kumar Mahla
I.C. Engines and Alternative Fuels
Hydrogen
Combustion and Emissions contro
Metrics
 
H-Index
i10 Index
Citation
28
36
2,299
* Rankings
Ranking Based On Selection: 6
Gaurav Bhargava
Organic Chemistry
Medicinal Chemistry
Organometallic chemistr
Metrics
 
H-Index
i10 Index
Citation
27
52
1,904
* Rankings
Ranking Based On Selection: 8
Gulshan Kumar
Artificial intelligence
Network security
Intrusion detection
In-vehicle network communicatio
Metrics
 
H-Index
i10 Index
Citation
26
40
4,112
* Rankings
Ranking Based On Selection: 9
Vikas Chawla
Corrosion Engineering
Surface Engineering
Friction Weldin
Metrics
 
H-Index
i10 Index
Citation
24
53
2,726
* Rankings
Ranking Based On Selection: 10
Satvir Singh
Artificial Intelligence
Evolutionary Algorithms
GPGPU
WS
Metrics
 
H-Index
i10 Index
Citation
23
35
3,774
* Rankings
Ranking Based On Selection: 11
Deepak Kumar Goyal
Wear
Slurry Erosion
Thermal spray coating
Metrics
 
H-Index
i10 Index
Citation
22
38
1,705
* Rankings
Ranking Based On Selection: 13
Rajeev Garg
drug delivery system
gastroretentive
floating
controlled
validatio
Metrics
 
H-Index
i10 Index
Citation
18
27
1,796
* Rankings
Ranking Based On Selection: 16
Amit Sarin
Alternate Energy
Biofuels
Physics
Renewable Energy
Biodiese
Metrics
 
H-Index
i10 Index
Citation
16
22
1,533
* Rankings
Ranking Based On Selection: 18
Nirmal S Kalsi
Cryogenic treatment
Machining
Wear
FEA
Friction Weldin
Metrics
 
H-Index
i10 Index
Citation
14
21
1,406
* Rankings
Ranking Based On Selection: 19
Vivek Aggarwal
NON-CONVENTIONAL MACHINING AND CONVENTIONAL MACHINING
SUPERALLOY
Metrics
 
H-Index
i10 Index
Citation
14
21
788
* Rankings
Ranking Based On Selection: 20
Parneet Kaur Deol
Nutraceuticals
Probiotics
Drug Delivery
Regenerative medicine
Antioxidan
Metrics
 
H-Index
i10 Index
Citation
14
19
691
* Rankings
Ranking Based On Selection: 22
Neeraj Mohan
Network Traffic Management
Machine Learning
Image Processin
Metrics
 
H-Index
i10 Index
Citation
13
15
781
Rankings
Ranking Based On Selection: 1
Rajesh Kumar
Metrics
 
H-Index
i10 Index
Citation Counts
44
84
7,113
Rankings
Ranking Based On Selection: 2
Raman Kumar Sehgal
Metrics
 
H-Index
i10 Index
Citation Counts
37
87
4,382
Sustainable Manufacturing
Machine Learning
Decision Making
Optimization
Energy Optimizatio
Rankings
Ranking Based On Selection: 3
Shashi Bahl
Metrics
 
H-Index
i10 Index
Citation Counts
33
61
5,508
Thin Film Photovoltaics
Composites
Additive Manufacturing
Industry 4.0
Microwave Joinin
Rankings
Ranking Based On Selection: 4
Sarabjit Singh Mann
Metrics
 
H-Index
i10 Index
Citation Counts
29
97
4,411
Rankings
Ranking Based On Selection: 5
Sunil Kumar Mahla
Metrics
 
H-Index
i10 Index
Citation Counts
28
36
2,299
I.C. Engines and Alternative Fuels
Hydrogen
Combustion and Emissions contro
Rankings
Ranking Based On Selection: 6
Gaurav Bhargava
Metrics
 
H-Index
i10 Index
Citation Counts
27
52
1,904
Organic Chemistry
Medicinal Chemistry
Organometallic chemistr
Rankings
Ranking Based On Selection: 7
Amit Bansal
Metrics
 
H-Index
i10 Index
Citation Counts
26
38
2,113
Rankings
Ranking Based On Selection: 8
Gulshan Kumar
Metrics
 
H-Index
i10 Index
Citation Counts
26
40
4,112
Artificial intelligence
Network security
Intrusion detection
In-vehicle network communicatio
Rankings
Ranking Based On Selection: 9
Vikas Chawla
Metrics
 
H-Index
i10 Index
Citation Counts
24
53
2,726
Corrosion Engineering
Surface Engineering
Friction Weldin
Rankings
Ranking Based On Selection: 10
Satvir Singh
Metrics
 
H-Index
i10 Index
Citation Counts
23
35
3,774
Artificial Intelligence
Evolutionary Algorithms
GPGPU
WS
Rankings
Ranking Based On Selection: 11
Deepak Kumar Goyal
Metrics
 
H-Index
i10 Index
Citation Counts
22
38
1,705
Wear
Slurry Erosion
Thermal spray coating
Rankings
Ranking Based On Selection: 12
Yadwinder Singh Brar
Metrics
 
H-Index
i10 Index
Citation Counts
20
32
1,275
Rankings
Ranking Based On Selection: 13
Rajeev Garg
Metrics
 
H-Index
i10 Index
Citation Counts
18
27
1,796
drug delivery system
gastroretentive
floating
controlled
validatio
Rankings
Ranking Based On Selection: 14
Kamaljit Singh Bhatia
Metrics
 
H-Index
i10 Index
Citation Counts
17
37
1,414
Rankings
Ranking Based On Selection: 15
Rakesh Goyal
Metrics
 
H-Index
i10 Index
Citation Counts
16
25
731
Rankings
Ranking Based On Selection: 16
Amit Sarin
Metrics
 
H-Index
i10 Index
Citation Counts
16
22
1,533
Alternate Energy
Biofuels
Physics
Renewable Energy
Biodiese
Rankings
Ranking Based On Selection: 17
Sunil Kumar Gupta
Metrics
 
H-Index
i10 Index
Citation Counts
16
23
766
Rankings
Ranking Based On Selection: 18
Nirmal S Kalsi
Metrics
 
H-Index
i10 Index
Citation Counts
14
21
1,406
Cryogenic treatment
Machining
Wear
FEA
Friction Weldin
Rankings
Ranking Based On Selection: 19
Vivek Aggarwal
Metrics
 
H-Index
i10 Index
Citation Counts
14
21
788
NON-CONVENTIONAL MACHINING AND CONVENTIONAL MACHINING
SUPERALLOY
Rankings
Ranking Based On Selection: 20
Parneet Kaur Deol
Metrics
 
H-Index
i10 Index
Citation Counts
14
19
691
Nutraceuticals
Probiotics
Drug Delivery
Regenerative medicine
Antioxidan
Rankings
Ranking Based On Selection: 21
Sukhminderbir Singh Kalsi
Metrics
 
H-Index
i10 Index
Citation Counts
14
19
652
Rankings
Ranking Based On Selection: 22
Neeraj Mohan
Metrics
 
H-Index
i10 Index
Citation Counts
13
15
781
Network Traffic Management
Machine Learning
Image Processin
Rankings
Ranking Based On Selection: 23
Hardeep Singh Saini
Metrics
 
H-Index
i10 Index
Citation Counts
13
19
706
Rankings
Ranking Based On Selection: 24
Amoljit Singh Gill
Metrics
 
H-Index
i10 Index
Citation Counts
12
14
511
Rankings
Ranking Based On Selection: 25
Neetika Sharma
Metrics
 
H-Index
i10 Index
Citation Counts
12
14
484