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" (873,924 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
Achlesh Daverey
Anammox
Wastewater Treatment
Phytoremediation
Biosurfactant
Biochar
Metrics
H-Index
i10 Index
Citation
36
63
4,893
* Rankings
Ranking Based On Selection :2
Vipin Kumar Saini
Advanced materials
Green Chemistry
Clean Energy
Metrics
H-Index
i10 Index
Citation
26
40
5,663
* Rankings
Ranking Based On Selection :3
Himani Sharma
Energy harvesting photocatalysis of semiconducting nanostructures
Carbon nanostructures
2D materials
Raman spectroscipy and e
Metrics
H-Index
i10 Index
Citation
26
61
3,374
* Rankings
Ranking Based On Selection :4
Preeti Mishra
Cloud Security
Malware Detection
Internet of Things
Memory Forensics
Android Security
Metrics
H-Index
i10 Index
Citation
17
24
1,772
* Rankings
Ranking Based On Selection :6
Gaurav Srivastav
Entrepreneurship
Multi-generational workforce
Handloom & Handicraft sector
Metrics
H-Index
i10 Index
Citation
11
13
436
* Rankings
Ranking Based On Selection :7
Komal
Reliability Analysis
Soft-Computing
Multi-Criteria Decision Making
Metrics
H-Index
i10 Index
Citation
11
11
358
* Rankings
Ranking Based On Selection :8
Rajendra P Mamgain
employment
migration
education & skill development
human poverty
policy research
Metrics
H-Index
i10 Index
Citation
11
16
513
* Rankings
Ranking Based On Selection :9
Chetan PS Ahada
Groundwater Contamination Hydrology
Eco-toxicology
MSW Management
Metrics
H-Index
i10 Index
Citation
9
9
663
Archana Sharma
Aquatic Biodiversity
Water Pollution & Waste water Treatment
Metrics
H-Index
i10 Index
Citation
9
9
766
Rita Gusain
waste to energy
Weed biomass utility
Metrics
H-Index
i10 Index
Citation
7
7
331
Suneet Naithani
Natural Resource Management
Disaster Management
GIS & RS
database creation
community
Metrics
H-Index
i10 Index
Citation
7
4
202
Vijendra Shah
Phytoremediation
Biosurfactants
Heavy metal resistant microbes
phytoextraction of heavy metals
Metrics
H-Index
i10 Index
Citation
6
5
661
Rajesh Kumar
Communication for development & social change
Political economy of communication
Media & Society.
Metrics
H-Index
i10 Index
Citation
6
3
148
Shelly Verma
Environmental Sciences
Biological Nitrogen Removal
Anammox
Sustainable wastewater treatment
Metrics
H-Index
i10 Index
Citation
5
5
299
Anuj Kumar
Biomedical Image processing
Computer Vision
Metrics
H-Index
i10 Index
Citation
5
5
121
Sangeeta Sundriyal
Sustainable Tourism
Air pollution
EIA
People and environment
Environmental Benchmarking
Metrics
H-Index
i10 Index
Citation
4
4
235
Richa Rajput
microbial ecology
soil science
sustainable agriculture
Metrics
H-Index
i10 Index
Citation
3
3
83
Abhijeet Kadam
Algal Biofuels
Phycology
Botany
Forestry
Metrics
H-Index
i10 Index
Citation
3
1
34
Sunny Joshi
Ornithology
Human-Wildlife Conflicts
Habitat Restoration
Metrics
H-Index
i10 Index
Citation
2
1
18
Amrita Singh
Approximation Theory
Metrics
H-Index
i10 Index
Citation
2
0
10
Deepti Negi
Wastewater treatment
Metrics
H-Index
i10 Index
Citation
1
1
61
Chetana Pokhriyal
Modern Literary Theories like Modernism
Colonialism
Film Theory
Post Modernism
Post Colonialism
Metrics
H-Index
i10 Index
Citation
1
0
7
Rankings
Ranking Based On Selection: 1
Achlesh Daverey
Metrics
H-Index
i10 Index
Citation Counts
36
63
4,893
Anammox
Wastewater Treatment
Phytoremediation
Biosurfactant
Biochar
Rankings
Ranking Based On Selection: 2
Vipin Kumar Saini
Metrics
H-Index
i10 Index
Citation Counts
26
40
5,663
Advanced materials
Green Chemistry
Clean Energy
Rankings
Ranking Based On Selection: 3
Himani Sharma
Metrics
H-Index
i10 Index
Citation Counts
26
61
3,374
Energy harvesting photocatalysis of semiconducting nanostructures
Carbon nanostructures
2D materials
Raman spectroscipy and e
Rankings
Ranking Based On Selection: 4
Preeti Mishra
Metrics
H-Index
i10 Index
Citation Counts
17
24
1,772
Cloud Security
Malware Detection
Internet of Things
Memory Forensics
Android Security
Rankings
Ranking Based On Selection: 5
Ujjwal Kumar
Metrics
H-Index
i10 Index
Citation Counts
15
16
1,792
Rankings
Ranking Based On Selection: 6
Gaurav Srivastav
Metrics
H-Index
i10 Index
Citation Counts
11
13
436
Entrepreneurship
Multi-generational workforce
Handloom & Handicraft sector
Rankings
Ranking Based On Selection: 7
Komal
Metrics
H-Index
i10 Index
Citation Counts
11
11
358
Reliability Analysis
Soft-Computing
Multi-Criteria Decision Making
Rankings
Ranking Based On Selection: 8
Rajendra P Mamgain
Metrics
H-Index
i10 Index
Citation Counts
11
16
513
employment
migration
education & skill development
human poverty
policy research
Rankings
Ranking Based On Selection: 9
Chetan PS Ahada
Metrics
H-Index
i10 Index
Citation Counts
9
9
663
Groundwater Contamination Hydrology
Eco-toxicology
MSW Management
Rankings
Ranking Based On Selection: 10
Archana Sharma
Metrics
H-Index
i10 Index
Citation Counts
9
9
766
Aquatic Biodiversity
Water Pollution & Waste water Treatment
Rankings
Ranking Based On Selection: 11
Prachi Pathak
Metrics
H-Index
i10 Index
Citation Counts
8
8
208
Rankings
Ranking Based On Selection: 12
Rita Gusain
Metrics
H-Index
i10 Index
Citation Counts
7
7
331
waste to energy
Weed biomass utility
Rankings
Ranking Based On Selection: 13
Suneet Naithani
Metrics
H-Index
i10 Index
Citation Counts
7
4
202
Natural Resource Management
Disaster Management
GIS & RS
database creation
community
Rankings
Ranking Based On Selection: 14
Narender Kumar
Metrics
H-Index
i10 Index
Citation Counts
6
6
153
Rankings
Ranking Based On Selection: 15
Vijendra Shah
Metrics
H-Index
i10 Index
Citation Counts
6
5
661
Phytoremediation
Biosurfactants
Heavy metal resistant microbes
phytoextraction of heavy metals
Rankings
Ranking Based On Selection: 16
Rajesh Kumar
Metrics
H-Index
i10 Index
Citation Counts
6
3
148
Communication for development & social change
Political economy of communication
Media & Society.
Rankings
Ranking Based On Selection: 17
Shelly Verma
Metrics
H-Index
i10 Index
Citation Counts
5
5
299
Environmental Sciences
Biological Nitrogen Removal
Anammox
Sustainable wastewater treatment
Rankings
Ranking Based On Selection: 18
Anuj Kumar
Metrics
H-Index
i10 Index
Citation Counts
5
5
121
Rankings
Ranking Based On Selection: 19
Smita Tripathi
Metrics
H-Index
i10 Index
Citation Counts
5
3
86
Rankings
Ranking Based On Selection: 20
Sangeeta Sundriyal
Metrics
H-Index
i10 Index
Citation Counts
4
4
235
Sustainable Tourism
Air pollution
EIA
People and environment
Environmental Benchmarking
Rankings
Ranking Based On Selection: 21
Richa Rajput
Metrics
H-Index
i10 Index
Citation Counts
3
3
83
Rankings
Ranking Based On Selection: 22
Ashish Kumar
Metrics
H-Index
i10 Index
Citation Counts
3
1
77
Rankings
Ranking Based On Selection: 23
Sukhwinder Singh Rawat|Sukhwinder S. Rawat, SS Rawat
Metrics
H-Index
i10 Index
Citation Counts
3
1
43
Fuzzy systems
aggregation operators
Decision making
Rankings
Ranking Based On Selection: 24
Abhijeet Kadam
Metrics
H-Index
i10 Index
Citation Counts
3
1
34
Rankings
Ranking Based On Selection: 25
Dhriti Dhaundiyal
Metrics
H-Index
i10 Index
Citation Counts
3
0
16
Rankings
Ranking Based On Selection: 26
Sunny Joshi
Metrics
H-Index
i10 Index
Citation Counts
2
1
18
Ornithology
Human-Wildlife Conflicts
Habitat Restoration
Rankings
Ranking Based On Selection: 27
Amrita Singh
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 28
Deepti Negi
Metrics
H-Index
i10 Index
Citation Counts
1
1
61
Rankings
Ranking Based On Selection: 29
Chetana Pokhriyal
Metrics
H-Index
i10 Index
Citation Counts
1
0
7
Modern Literary Theories like Modernism
Colonialism
Film Theory
Post Modernism
Post Colonialism
Rankings
Ranking Based On Selection: 30
Arushi Lohani
Metrics
H-Index
i10 Index
Citation Counts
1
0
3