World's Best Scientists 2026 revealed!
Ashok Kumar Das

Ashok Kumar Das

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Computer Science
India
2026

D-Index & Metrics

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Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Computer Science 92 551 535 3 3 428 25238

Ashok Kumar Das publications per year

The chart shows the history of publications by Ashok Kumar Das between 2001 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ashok Kumar Das published across 25 years, from 2001 to 2025, averaging 22.9 papers a year. Output peaked at 73 publications in 2024. 146 of the 573 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 2001 to 2025. Vertical axis: number of publications, 0 to 73. Peak 73 publications in 2024. 2001: 1 publication 2002: 0 publications 2003: 0 publications 2004: 1 publication 2005: 6 publications 2006: 16 publications 2007: 7 publications 2008: 8 publications 2009: 1 publication 2010: 5 publications 2011: 7 publications 2012: 6 publications 2013: 12 publications 2014: 14 publications 2015: 25 publications 2016: 34 publications 2017: 26 publications 2018: 34 publications 2019: 26 publications 2020: 38 publications 2021: 48 publications 2022: 44 publications 2023: 68 publications 2024: 73 publications 2025: 73 publications
2001 2025

573 publications in total across all disciplines

View publications per year as a table
Ashok Kumar Das: publications per year, 2001 to 2025
Year Publications
2001 1
2002 0
2003 0
2004 1
2005 6
2006 16
2007 7
2008 8
2009 1
2010 5
2011 7
2012 6
2013 12
2014 14
2015 25
2016 34
2017 26
2018 34
2019 26
2020 38
2021 48
2022 44
2023 68
2024 73
2025 73
Total 573
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Ashok Kumar Das publications per year - data summary

  • Ashok Kumar Das, a Computer Science scholar from International Institute of Information Technology, Hyderabad, has 573 publications recorded across 25 years, from 2001 to 2025.
  • The oldest publication on record dates to 2001 and the most recent to 2025.
  • The most productive years are 2024 and 2025, with 73 publications each.
  • The least productive years with any output are 2001, 2004 and 2009, with 1 publication each.
  • 2 of the 25 years in the span carry no publications at all (2002 and 2003).
  • The rate of publication averages 22.9 papers per year over the whole span, or 24.9 per year counting only the 23 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 306 publications, 53% of the career total.
  • Split into equal eras - 2001-2009: 40 publications (4.4 per year); 2010-2018: 163 publications (18.1 per year); 2019-2025: 370 publications (52.9 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Ashok Kumar Das publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Ashok Kumar Das sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 97 bars. Horizontal axis: publications, 32–41 to 991+. Vertical axis: number of scientists, 0 to 609. Most scientists, 609, have 142–151 publications. The last bar groups every scientist with 991 publications or more. The highlighted bar, 422–431 publications, is where this scientist sits. 32–41 publications: 7 scientists 42–51 publications: 22 scientists 52–61 publications: 82 scientists 62–71 publications: 134 scientists 72–81 publications: 249 scientists 82–91 publications: 324 scientists 92–101 publications: 421 scientists 102–111 publications: 420 scientists 112–121 publications: 497 scientists 122–131 publications: 544 scientists 132–141 publications: 555 scientists 142–151 publications: 609 scientists 152–161 publications: 559 scientists 162–171 publications: 534 scientists 172–181 publications: 556 scientists 182–191 publications: 583 scientists 192–201 publications: 519 scientists 202–211 publications: 508 scientists 212–221 publications: 490 scientists 222–231 publications: 437 scientists 232–241 publications: 423 scientists 242–251 publications: 408 scientists 252–261 publications: 377 scientists 262–271 publications: 301 scientists 272–281 publications: 335 scientists 282–291 publications: 320 scientists 292–301 publications: 293 scientists 302–311 publications: 250 scientists 312–321 publications: 238 scientists 322–331 publications: 206 scientists 332–341 publications: 209 scientists 342–351 publications: 208 scientists 352–361 publications: 162 scientists 362–371 publications: 176 scientists 372–381 publications: 127 scientists 382–391 publications: 158 scientists 392–401 publications: 128 scientists 402–411 publications: 104 scientists 412–421 publications: 94 scientists 422–431 publications: 99 scientists 432–441 publications: 83 scientists 442–451 publications: 108 scientists 452–461 publications: 73 scientists 462–471 publications: 77 scientists 472–481 publications: 69 scientists 482–491 publications: 84 scientists 492–501 publications: 62 scientists 502–511 publications: 54 scientists 512–521 publications: 57 scientists 522–531 publications: 51 scientists 532–541 publications: 51 scientists 542–551 publications: 32 scientists 552–561 publications: 38 scientists 562–571 publications: 28 scientists 572–581 publications: 43 scientists 582–591 publications: 33 scientists 592–601 publications: 41 scientists 602–611 publications: 32 scientists 612–621 publications: 28 scientists 622–631 publications: 25 scientists 632–641 publications: 27 scientists 642–651 publications: 17 scientists 652–661 publications: 20 scientists 662–671 publications: 17 scientists 672–681 publications: 15 scientists 682–691 publications: 14 scientists 692–701 publications: 21 scientists 702–711 publications: 13 scientists 712–721 publications: 12 scientists 722–731 publications: 19 scientists 732–741 publications: 14 scientists 742–751 publications: 12 scientists 752–761 publications: 10 scientists 762–771 publications: 10 scientists 772–781 publications: 11 scientists 782–791 publications: 10 scientists 792–801 publications: 11 scientists 802–811 publications: 8 scientists 812–821 publications: 8 scientists 822–831 publications: 7 scientists 832–841 publications: 11 scientists 842–851 publications: 10 scientists 852–861 publications: 5 scientists 862–871 publications: 9 scientists 872–881 publications: 4 scientists 882–891 publications: 6 scientists 892–901 publications: 3 scientists 902–911 publications: 6 scientists 912–921 publications: 3 scientists 922–931 publications: 2 scientists 932–941 publications: 2 scientists 942–951 publications: 2 scientists 952–961 publications: 3 scientists 962–971 publications: 3 scientists 972–981 publications: 3 scientists 982–990 publications: 5 scientists 991+ publications: 100 scientists
32–41 publications 991+

This scientist: 428 publications — 89th percentile

89% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

View publications distribution as a table
Number of Computer Science scientists by publication count, Research.com 2026 ranking edition. Based on 14,188 ranked scientists.
Publications Scientists This scientist
32–41 7
42–51 22
52–61 82
62–71 134
72–81 249
82–91 324
92–101 421
102–111 420
112–121 497
122–131 544
132–141 555
142–151 609
152–161 559
162–171 534
172–181 556
182–191 583
192–201 519
202–211 508
212–221 490
222–231 437
232–241 423
242–251 408
252–261 377
262–271 301
272–281 335
282–291 320
292–301 293
302–311 250
312–321 238
322–331 206
332–341 209
342–351 208
352–361 162
362–371 176
372–381 127
382–391 158
392–401 128
402–411 104
412–421 94
422–431 99 428
432–441 83
442–451 108
452–461 73
462–471 77
472–481 69
482–491 84
492–501 62
502–511 54
512–521 57
522–531 51
532–541 51
542–551 32
552–561 38
562–571 28
572–581 43
582–591 33
592–601 41
602–611 32
612–621 28
622–631 25
632–641 27
642–651 17
652–661 20
662–671 17
672–681 15
682–691 14
692–701 21
702–711 13
712–721 12
722–731 19
732–741 14
742–751 12
752–761 10
762–771 10
772–781 11
782–791 10
792–801 11
802–811 8
812–821 8
822–831 7
832–841 11
842–851 10
852–861 5
862–871 9
872–881 4
882–891 6
892–901 3
902–911 6
912–921 3
922–931 2
932–941 2
942–951 2
952–961 3
962–971 3
972–981 3
982–990 5
991+ 100
Download as CSV

Ashok Kumar Das publication distribution in Computer Science in 2026 - data summary

  • The chart plots the publication count of all 14,188 Computer Science scientists ranked by Research.com in 2026, grouped into 97 ranges running from 32–41 to 991+ publications.
  • Ashok Kumar Das, a Computer Science scholar from International Institute of Information Technology, Hyderabad, records 428 publications - the 89th percentile of the discipline.
  • 89% of ranked Computer Science scientists score the same or lower than Ashok Kumar Das, and about 11% score higher.
  • The median of the discipline falls in the 202–211 publications range, and Ashok Kumar Das ranks above the median.
  • The most crowded range is 142–151 publications, holding 609 scientists (4% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 272–281 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 991 publications or more, 100 scientists in all (<1% of the field).

Ashok Kumar Das D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Ashok Kumar Das sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 52 bars. Horizontal axis: D-Index, 30–31 to 131+. Vertical axis: number of scientists, 0 to 990. Most scientists, 990, have 36–37 D-Index. The last bar groups every scientist with 131 D-Index or more. The highlighted bar, 92–93 D-Index, is where this scientist sits. 30–31 D-Index: 879 scientists 32–33 D-Index: 983 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 968 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 763 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 518 scientists 54–55 D-Index: 500 scientists 56–57 D-Index: 458 scientists 58–59 D-Index: 400 scientists 60–61 D-Index: 337 scientists 62–63 D-Index: 308 scientists 64–65 D-Index: 292 scientists 66–67 D-Index: 249 scientists 68–69 D-Index: 213 scientists 70–71 D-Index: 192 scientists 72–73 D-Index: 189 scientists 74–75 D-Index: 165 scientists 76–77 D-Index: 139 scientists 78–79 D-Index: 119 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 113 scientists 84–85 D-Index: 88 scientists 86–87 D-Index: 87 scientists 88–89 D-Index: 75 scientists 90–91 D-Index: 69 scientists 92–93 D-Index: 57 scientists 94–95 D-Index: 46 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 34 scientists 100–101 D-Index: 36 scientists 102–103 D-Index: 27 scientists 104–105 D-Index: 37 scientists 106–107 D-Index: 18 scientists 108–109 D-Index: 31 scientists 110–111 D-Index: 19 scientists 112–113 D-Index: 16 scientists 114–115 D-Index: 12 scientists 116–117 D-Index: 20 scientists 118–119 D-Index: 15 scientists 120–121 D-Index: 5 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 8 scientists 126–127 D-Index: 5 scientists 128–129 D-Index: 7 scientists 130 D-Index: 3 scientists 131+ D-Index: 98 scientists
30–31 D-Index 131+

This scientist: 92 D-Index — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

View D-Index distribution as a table
Number of Computer Science scientists by D-index, Research.com 2026 ranking edition. Based on 14,188 ranked scientists.
D-Index Scientists This scientist
30–31 879
32–33 983
34–35 918
36–37 990
38–39 968
40–41 907
42–43 821
44–45 763
46–47 689
48–49 543
50–51 543
52–53 518
54–55 500
56–57 458
58–59 400
60–61 337
62–63 308
64–65 292
66–67 249
68–69 213
70–71 192
72–73 189
74–75 165
76–77 139
78–79 119
80–81 121
82–83 113
84–85 88
86–87 87
88–89 75
90–91 69
92–93 57 92
94–95 46
96–97 38
98–99 34
100–101 36
102–103 27
104–105 37
106–107 18
108–109 31
110–111 19
112–113 16
114–115 12
116–117 20
118–119 15
120–121 5
122–123 20
124–125 8
126–127 5
128–129 7
130 3
131+ 98
Download as CSV

Ashok Kumar Das D-index placement in Computer Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 14,188 Computer Science scientists ranked by Research.com in 2026, grouped into 52 ranges running from 30–31 to 131+ D-Index.
  • Ashok Kumar Das, a Computer Science scholar from International Institute of Information Technology, Hyderabad, records 92 D-Index - the 96th percentile of the discipline.
  • 96% of ranked Computer Science scientists score the same or lower than Ashok Kumar Das, and about 4% score higher.
  • The median of the discipline falls in the 44–45 D-Index range, and Ashok Kumar Das ranks above the median.
  • The most crowded range is 36–37 D-Index, holding 990 scientists (7% of the field).
  • 71% of the field sits in the lowest quarter of the value range (up to 54–55 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 131 D-Index or more, 98 scientists in all (<1% of the field).

Research.com Recognitions

  • 2026 - Research.com Computer Science in India Leader Award
  • 2025 - Research.com Computer Science in India Leader Award
  • 2023 - Research.com Computer Science in India Leader Award
  • 2022 - Research.com Computer Science in India Leader Award
  • 2002 - Fellow of American Physical Society (APS) Citation For contributions in the areas of supergravity, integrable models and finite temperature field theory

Overview

Ashok Kumar Das is affiliated with the International Institute of Information Technology, Hyderabad in India. Their primary research domain is computer science, with extensive work reflected across 607 publications. The research spans several subfields including information systems, computer networks and communications, artificial intelligence, electrical and electronic engineering, and signal processing.

The scientist's contributions focus on topics such as advanced authentication protocols security, user authentication and security systems, blockchain technology applications and security, cryptography and data security, vehicular ad hoc networks (VANETs), IoT and edge/fog computing, and advanced malware detection techniques.

Frequent coauthors collaborating with Ashok Kumar Das include Youngho Park, Mohammad Wazid, Basudeb Bera, Joel J. P. C. Rodrigues, and Sachin Shetty. These partnerships have contributed to a broad range of research outputs in multiple venues.

Ashok Kumar Das has published multiple papers in well-known venues. Notable recent papers include:

  • "Smart Secure Sensing for IoT-Based Agriculture: Blockchain Perspective" (2020, IEEE Sensors Journal)
  • "Designing secure blockchain-based access control scheme in IoT-enabled Internet of Drones deployment" (2020, Computer Communications)
  • "A Smart Waste Management Solution Geared towards Citizens" (2020, Sensors)
  • "Designing Blockchain-Based Access Control Protocol in IoT-Enabled Smart-Grid System" (2020, IEEE Internet of Things Journal)
  • "A lightweight and secure two-factor authentication scheme for wireless body area networks in health-care IoT" (2020, Computer Networks)

The frequent publication venues reflect the scope and focus of the research. These venues include:

  • IEEE Internet of Things Journal
  • IEEE Access
  • IEEE Transactions on Intelligent Transportation Systems
  • IEEE Transactions on Vehicular Technology
  • Security and Privacy

Ashok Kumar Das has been recognized as a Fellow of the American Physical Society (APS) in 2002, with the citation highlighting contributions in supergravity, integrable models, and finite temperature field theory.

Best Publications

  • Secure Signature-Based Authenticated Key Establishment Scheme for Future IoT Applications

    Sravani Challa;Mohammad Wazid;Ashok Kumar Das;Neeraj Kumar

  • A Secure Biometrics-Based Multi-Server Authentication Protocol Using Smart Cards

    Vanga Odelu;Ashok Kumar Das;Adrijit Goswami

  • Design of Secure User Authenticated Key Management Protocol for Generic IoT Networks

    Mohammad Wazid;Ashok Kumar Das;Vanga Odelu;Neeraj Kumar

  • Physical activity and inactivity patterns in India - results from the ICMR-INDIAB study (Phase-1) [ICMR-INDIAB-5].

    Ranjit M Anjana;Rajendra Pradeepa;Ashok K Das;Mohan Deepa

  • Provably Secure Authenticated Key Agreement Scheme for Smart Grid

    Vanga Odelu;Ashok Kumar Das;Mohammad Wazid;Mauro Conti

  • Design and Analysis of Secure Lightweight Remote User Authentication and Key Agreement Scheme in Internet of Drones Deployment

    Mohammad Wazid;Ashok Kumar Das;Neeraj Kumar;Athanasios V. Vasilakos

  • Analysis and improvement on an efficient biometric-based remote user authentication scheme using smart cards

    Ashok Kumar Das

  • Cloud Centric Authentication for Wearable Healthcare Monitoring System

    Srinivas Jangirala;Ashok Kumar Das;Neeraj Kumar;Joel J. P. C. Rodrigues

  • A dynamic password-based user authentication scheme for hierarchical wireless sensor networks

    Ashok Kumar Das;Pranay Sharma;Santanu Chatterjee;Jamuna Kanta Sing

  • Lightweight and Physically Secure Anonymous Mutual Authentication Protocol for Real-Time Data Access in Industrial Wireless Sensor Networks

    Prosanta Gope;Ashok Kumar Das;Neeraj Kumar;Yongqiang Cheng

  • TCALAS: Temporal Credential-Based Anonymous Lightweight Authentication Scheme for Internet of Drones Environment

    Jangirala Srinivas;Ashok Kumar Das;Neeraj Kumar;Joel J. P. C. Rodrigues

  • Government regulations in cyber security: Framework, standards and recommendations

    Jangirala Srinivas;Ashok Kumar Das;Neeraj Kumar

  • A secure authentication scheme based on elliptic curve cryptography for IoT and cloud servers

    Saru Kumari;Marimuthu Karuppiah;Ashok Kumar Das;Xiong Li

  • AKM-IoV: Authenticated Key Management Protocol in Fog Computing-Based Internet of Vehicles Deployment

    Mohammad Wazid;Palak Bagga;Ashok Kumar Das;Sachin Shetty

  • An efficient ECC-based provably secure three-factor user authentication and key agreement protocol for wireless healthcare sensor networks

    Sravani Challa;Ashok Kumar Das;Vanga Odelu;Neeraj Kumar

  • A secure user anonymity-preserving biometric-based multi-server authenticated key agreement scheme using smart cards

    Dheerendra Mishra;Ashok Kumar Das;Sourav Mukhopadhyay

  • LAM-CIoT: Lightweight authentication mechanism in cloud-based IoT environment

    Mohammad Wazid;Ashok Kumar Das;Vivekananda Bhat K;Athanasios V. Vasilakos;Athanasios V. Vasilakos

  • Smart Secure Sensing for IoT-Based Agriculture: Blockchain Perspective

    Anusha Vangala;Ashok Kumar Das;Neeraj Kumar;Mamoun Alazab

  • Designing secure blockchain-based access control scheme in IoT-enabled Internet of Drones deployment

    Basudeb Bera;Durbadal Chattaraj;Ashok Kumar Das

  • Design of secure key management and user authentication scheme for fog computing services

    Mohammad Wazid;Ashok Kumar Das;Neeraj Kumar;Athanasios V. Vasilakos

  • Secure Biometric-Based Authentication Scheme Using Chebyshev Chaotic Map for Multi-Server Environment

    Santanu Chatterjee;Sandip Roy;Ashok Kumar Das;Samiran Chattopadhyay

  • A Smart Waste Management Solution Geared towards Citizens.

    Kellow Pardini;Joel J.P.C. Rodrigues;Joel J.P.C. Rodrigues;Ousmane Diallo;Ashok Kumar Das

  • Chaotic Map-Based Anonymous User Authentication Scheme With User Biometrics and Fuzzy Extractor for Crowdsourcing Internet of Things

    Sandip Roy;Santanu Chatterjee;Ashok Kumar Das;Samiran Chattopadhyay

Frequent Co-Authors

Vanga Odelu
Vanga Odelu Birla Institute of Technology and Science, Pilani
Mohammad Wazid
Mohammad Wazid Graphic Era University
Neeraj Kumar
Neeraj Kumar Thapar University
Joel J. P. C. Rodrigues
Joel J. P. C. Rodrigues Federal University of Piauí
Saru Kumari
Saru Kumari Chaudhary Charan Singh University
Adrijit Goswami
Adrijit Goswami Indian Institute of Technology Kharagpur
Muhammad Khurram Khan
Muhammad Khurram Khan King Saud University
Athanasios V. Vasilakos
Athanasios V. Vasilakos University of Agder
Kim-Kwang Raymond Choo
Kim-Kwang Raymond Choo The University of Texas at San Antonio
Marimuthu Karuppiah
Marimuthu Karuppiah Presidency University

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