Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 117 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Polymer Science & Engineering
Green Nanocomposites
bionanocomposites
Biomedical Sciences
Polyme
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
116,893
64,377
0.551
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Nanostructured hybrid materials and applications
Polymer nanocompsites
Ultrafast and Laser Plasma
Computational and Simulati
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,335
11,561
0.806
* Total Citation Counts Rankings
Ranking Based On Selection: 3
anti-inflammatory bioactive molecules
medicinal plants lipoxygenase inhibition
Inhibition of TNF-alpha
dendritic cells
rhe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,767
4,566
0.521
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Organic Synthesis
Catalysis
Green Chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,193
4,247
0.590
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Neuroscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,444
1,673
0.260
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Microbiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,384
4,933
0.773
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Microbiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,051
3,589
0.711
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Environmental Science
Advanced Oxidation Process
Polar studies
Radiation photo chemistry
water researc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,874
2,869
0.589
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Agricultural microbiology
Environmental microbiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,758
3,594
0.755
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Biology researc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,785
1,461
0.305
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Science
Microbiology
Nanotechnolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,767
2,925
0.776
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Microplastics in the Environment
Polar Research
Environmental Biotechnology
Solid Waste management
Phytoremediatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,363
1,672
0.497
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Crystalline Material
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,166
2,161
0.683
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Photonic Materials
Laser Spectroscopy
Non-Linear Optic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,882
2,097
0.728
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Cancer biology
Inflammation
Phytomedicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,735
995
0.364
* Total Citation Counts Rankings
Ranking Based On Selection: 16
pollution
mercury pollution
polar science
Eco-restoration
Forest ecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,243
1,787
0.797
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Biophysics
Molecular Dynamics
Crystallograph
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,836
1,056
0.575
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Synthesis of materials and their applications
Environmental chemistry
Reaction Mechanis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,514
517
0.341
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Ecology
Environment
Mycorrhiza
Alga
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,261
968
0.768
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Organic Synthesis
Polymer Chemistry
Catalysi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,217
715
0.588
* Total Citation Counts Rankings
Ranking Based On Selection: 21
cardiovascular functions
toxicolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,130
606
0.536
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Molecular Phylogeny
Plant tissue cultur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
888
804
0.905
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Bioenergy
Wetland ecology
Microalgae
Environmental Nanotechnology
Biodiversit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
843
658
0.781
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Mathematics Education
e-content development in education
Instructional design
Educational Technology
Quality Assurance in
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
676
535
0.791
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Obesity and Chronic inflammation
Anti obesity
Anti- inflammatory molecules from Ayurvedic formulatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
597
292
0.489
* Total Citation Counts Rankings
Rankings
2,534
39
1
Ranking Based On Selection: 1
Sabu Thomas|SABU THOMAS, S.THOMAS, Thomas S
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
116,893
64,377
0.551
Polymer Science & Engineering
Green Nanocomposites
bionanocomposites
Biomedical Sciences
Polyme
* Total Citation Counts Rankings
Rankings
68,046
740
2
Ranking Based On Selection: 2
Nandakumar Kalarikkal
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,335
11,561
0.806
Nanostructured hybrid materials and applications
Polymer nanocompsites
Ultrafast and Laser Plasma
Computational and Simulati
* Total Citation Counts Rankings
Rankings
121,958
1,746
3
Ranking Based On Selection: 3
Prakash Kumar
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,767
4,566
0.521
anti-inflammatory bioactive molecules
medicinal plants lipoxygenase inhibition
Inhibition of TNF-alpha
dendritic cells
rhe
* Total Citation Counts Rankings
Rankings
151,244
2,371
4
Ranking Based On Selection: 4
Gopinathan Anilkumar
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,193
4,247
0.590
Organic Synthesis
Catalysis
Green Chemistr
* Total Citation Counts Rankings
Rankings
169,668
2,783
5
Ranking Based On Selection: 5
Mohanakumar KP
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,444
1,673
0.260
* Total Citation Counts Rankings
Rankings
171,220
2,831
6
Ranking Based On Selection: 6
Radhakrishnan Ek
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,384
4,933
0.773
* Total Citation Counts Rankings
Rankings
215,717
3,999
7
Ranking Based On Selection: 7
Jyothis Mathew
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,051
3,589
0.711
* Total Citation Counts Rankings
Rankings
223,113
4,192
8
Ranking Based On Selection: 8
Charuvila T Aravindakumar
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,874
2,869
0.589
Environmental Science
Advanced Oxidation Process
Polar studies
Radiation photo chemistry
water researc
* Total Citation Counts Rankings
Rankings
228,248
4,318
10
Ranking Based On Selection: 9
Jisha Ms
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,758
3,594
0.755
Agricultural microbiology
Environmental microbiolog
* Total Citation Counts Rankings
Rankings
227,074
4,299
9
Ranking Based On Selection: 10
MC Sabu
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,785
1,461
0.305
Smart Institutional Plan
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* Total Citation Counts Rankings
Rankings
281,935
6,006
11
Ranking Based On Selection: 11
Divya K
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,767
2,925
0.776
Science
Microbiology
Nanotechnolog
* Total Citation Counts Rankings
Rankings
310,698
6,942
12
Ranking Based On Selection: 12
Ramasamy Ev
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,363
1,672
0.497
Microplastics in the Environment
Polar Research
Environmental Biotechnology
Solid Waste management
Phytoremediatio
* Total Citation Counts Rankings
Rankings
326,750
7,454
13
Ranking Based On Selection: 13
Cyriac Joseph
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,166
2,161
0.683
* Total Citation Counts Rankings
Rankings
352,640
8,360
14
Ranking Based On Selection: 14
PR Biju
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,882
2,097
0.728
Photonic Materials
Laser Spectroscopy
Non-Linear Optic
* Total Citation Counts Rankings
Rankings
367,816
8,867
15
Ranking Based On Selection: 15
MS Latha
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,735
995
0.364
Cancer biology
Inflammation
Phytomedicin
* Total Citation Counts Rankings
Rankings
427,233
11,091
16
Ranking Based On Selection: 16
Mahesh Mohan
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,243
1,787
0.797
pollution
mercury pollution
polar science
Eco-restoration
Forest ecolog
* Total Citation Counts Rankings
Rankings
492,096
13,498
17
Ranking Based On Selection: 17
C Sudarsanakumar
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,836
1,056
0.575
Biophysics
Molecular Dynamics
Crystallograph
* Total Citation Counts Rankings
Rankings
557,854
16,176
18
Ranking Based On Selection: 18
Raju Francis
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,514
517
0.341
Synthesis of materials and their applications
Environmental chemistry
Reaction Mechanis
* Total Citation Counts Rankings
Rankings
621,925
18,816
19
Ranking Based On Selection: 19
Ray Jg
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,261
968
0.768
Ecology
Environment
Mycorrhiza
Alga
* Total Citation Counts Rankings
Rankings
634,904
19,372
20
Ranking Based On Selection: 20
S Anas|Anas S., Anas Saithalavi
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,217
715
0.588
Organic Synthesis
Polymer Chemistry
Catalysi
* Total Citation Counts Rankings
Rankings
661,404
20,574
21
Ranking Based On Selection: 21
Harikumaran Nair R
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,130
606
0.536
cardiovascular functions
toxicolog
* Total Citation Counts Rankings
Rankings
748,166
24,758
22
Ranking Based On Selection: 22
Linu Mathew
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
888
804
0.905
Molecular Phylogeny
Plant tissue cultur
* Total Citation Counts Rankings
Rankings
766,616
25,683
23
Ranking Based On Selection: 23
Sylas Vp|Sylas Variyattel Paulose, Sylas V Poulose
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
843
658
0.781
Bioenergy
Wetland ecology
Microalgae
Environmental Nanotechnology
Biodiversit
* Total Citation Counts Rankings
Rankings
843,851
29,972
24
Ranking Based On Selection: 24
Sajna Jaleel
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
676
535
0.791
Mathematics Education
e-content development in education
Instructional design
Educational Technology
Quality Assurance in
* Total Citation Counts Rankings
Rankings
887,655
32,386
25
Ranking Based On Selection: 25
Prakash Kumar B
Mahatma Gandhi University Kerala
Kottayam, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
597
292
0.489
Obesity and Chronic inflammation
Anti obesity
Anti- inflammatory molecules from Ayurvedic formulatio