Associate Professor

Department of Mathematics

Motilal Nehru National Institute of Technology Allahabad, Prayagraj, India-211004

E-mail: sahadeo[at]mnnit[dot]ac[dot]in

Telephone: 05322271257(O) 05322271759(R) 9453256043(M)

**Keynote Address/Invited Talks in Conferences & Workshops:**- Invited speaker in the “National Workshop on Emerging Areas of Applied Mathematics”, October 26-28, 2010 at P. C. S. P. G. College, Dhamtari, Chhattisgarh, India. (Title of the talks-“Classical Cryptosystem” & “Public Key Cryptosystem”)
- Invited speaker in the National Conference on “Information and Communication Technology NCICT 2011”, March 5-6, 2011at Ewing Christian College, Allahabad, Utterpradesh, India. . (Title of the talk-“Finite Field and Cryptography”)
- Invited speaker in the National Workshop on “Recent Trends in Graph Theory and Cryptography” October 11-13, 2011 at Govt. V.Y.T.P.G. Autonomous College, Durg (Chhattisgarh), India. . (Title of the talk-“RSA Public Key Encryption Algorithm”)
- Invited speaker in the INSPIRE Internship Summer Camp-I (Funded by DST), Pt Ravishankar Shukla University, Raipur Chhattisgarh May-29- June 2, 2012. . (Title of the talks-“Scope of Basic Science” and “Cryptography for Children”)
- Invited speaker in the National Workshop on “Application of Mathematics in Different Fields of Science” October 12-14, 2012 at Govt. N.P.G. College of Science, Raipur (Chhattisgarh). . (Title of the talk-“Number Theory for Secure Communication”)
- Invited speaker in the “National Workshop on Different Aspect of Mathematics” December 21, 2012 at KCB Govt. P.G. College, Bhilai Sector-3, Chhattisgarh. . (Title of the talk-“Classical Cryptosystem”)
- Invited Speaker in the “National Workshop on Mathematical Modeling in Stochastic Process and Fuzzy System” August 06-07, 2013 at Govt. N.P.G. College of Science, Raipur (Chhattisgarh). (Title of the talk-“Mathematical Modeling in Cryptology”)
- Delivered talk in the “National Instructional Workshop on Cryptology (NIWC’14)”, June 05-09, 2014. Organized by Department of Mathematics, Motilal Nehru National Institute of Technology under the ages of Cryptology Research Society of India (CRSI). (Title of the talk “Symmetric Key Block Cipher”)
- Invited speaker in the “National Workshop on Graph Theory and its Application” November 07-08, 2014 at KCB Govt. P.G. College, Bhilai Sector-3, Chhattisgarh. (Title of the talk-“Application of Graph Theory in Cryptography”)
- Delivered a talk in the “National Instructional Workshop on Cryptology (NIWC2015)”, May 18-22, 2015 at Department of Mathematics and Statistics, Himanchal Pradesh University, Shimla (HP). (Title of the talk-“Public key Cryptography”).
- Delivered a talk in “National workshop on Information and Cyber security (SURAKSHA-2015)”, August 19-23, 2015 at Computer Science and Engineering Department, Motilal Nehru National Institute of Technology (UP). (Title of the talk-“Mathematical Models for Information Security”.
- Delivered a talk in “National Workshop on Cryptology (NWC-2015)”, September 11-13, 2015 at School of Computer Engineering, KIIT University Bhubneshwar, Odisha. (Title of the talk-“Public Key Cryptosystem - RSA and its Variants”)
- Delivered a talk in “One Week Workshop On Information Security: Research Issues and Challenges” March 17 – 21, 2016 at Computer Science and Engineering Department, Motilal Nehru National Institute of Technology (UP). (Title of the talk-“Cryptology for Information Security”
- Delivered talk on Days Faculty Development Programme on “Cryptography: Foundations and New Directions in Research” February 16-18, 2017 at Department of Computer Science and Systems Engineering, SREE VIDYANIKETHAN ENGINEERING COLLEGE (Autonomous) Sree Sainath Nagar, A. Rangampet, Tirupati (AP). (Title of the talks “Public Key Cryptosystems” and “Digital Signature”)
- Delivered two talks in the “National Instructional Workshop on Cryptology (NIWC2017)”, July 05-07, 2017 at Department of Mathematics, LNMIIT, Jaipur, Rajasthan. (Title of the talks “Public Key Cryptosystem”).
- Delivered a talk in “National Workshop on Cryptography and Network Security” October 05-06, 2017 at Govt. N.P.G. College of Science, Raipur (Chhattisgarh). (Title of the talk-“Cryptosystems: Classical to Modern”)
- Delivered a talk in two days seminar on “Quadratic Form and Arithmetic” in the occasion of National Mathematics Day, during December 22-23, 2017, Department of Mathematics, MNNIT Allahabad. (Title of the talk: “Number theory for Secure Communications”)
- Delivered talk in the “National Instructional Workshop on Cryptology (NIWC’18)”, June 06-10, 2018. Organized by Department of Mathematics, Motilal Nehru National Institute of Technology under the ages of Cryptology Research Society of India (CRSI). (Title of the talk “Hash Function”)
- Delivered a talk in “National Workshop on Evolving Drifts in Computer Science (NWEDCS)-2018, July 9-13, 2018, sponsored by TEQIP-III, at REC Ambedkar Nagar (UP). (Title of the talk: “Cryptology”)
- Delivered a talk in “National Conference on Recent Trends in Applied and Computational Mathematics, July 20-21, 2019, Organized by Department of Mathematics, NIT Raipur. (Title of talk: Cryptography from Classical to Modern)
- Delivered a talk in Online Workshop on “Application of Algebra in Science and Engineering”, October 12-16, 2020, Organized by Department of Mathematics, NIT Jamshedpur. (Title of talk: Advanced Encryption Standard: An Application of Galois Field)
- Delivered two talks in the 80th Refresher Course in Mathematics and Statistics organized by the UGC-Human Resource Development Centre, Punjabi University, Patiala, 16-11-2020 to 28-11-2020. (Title of talk “Cryptography: An application of mathematics for secure communication”)
- Delivered a talk in One-Week Online FDP Programme on Cyber Security: Challenges and Practices Schedule , Government Engg. College Sonbhadra (UP), 29-07-2021 to 02-08-2021. (Title of talk “Cryptographic Techniques for Secure Communication”)
- Delivered a talk in Online Workshop on “Information Security and Privacy (ISP-2021)” scheduled during March 10 – 14, 2021 in the Department of Computer Science & Engineering, MNNIT Allahabad (Title of talk: Mathematical foundation of Cryptography)
- 26. Delivered a talk in the Refresher Course on “Non-linear Analysis for the Development of Neural Network Systems”, Organized by UGC-HRDC and Department of Mathematics, Guru Ghasidas Vishwavidyalaya, Bilaspur (C.G.), 13-09-2021 to 25-09-2021. (Title of the talk “Mathematics for Secure Communication”)
- Delivered a talk in Online Faculty Development Program on Information Security: Issues and Challenges (ISIC-2021)” scheduled during December 18 – 22, 2021 in the Department of Computer Science & Engineering, MNNIT Allahabad (Title of talk: Mathematical foundation of Cryptography)
- Delivered a talk in Online Workshop on National Mathematics Day – 2021, December 29-30, 2021, CBS, Pt. Ravishankar Shukla University, Raipur, (Title of talk: Application of Algebra and Number Theory for Secure Communication)
- Delivered a talk in online AICTE-ISTE Refresher course on “Cryptography and Network Security”, January 7-13, 2022, Pranveer Sing Institute of Technology (PSIT), Kanpur (Title of talk: An Overview of Digital Signature and its Security Analysis)

**Conferences Attended for Presenting Paper:**- International Conference On Number Theory For Secure Communication (ICNSC)” Dec. 19-21, 2003. Sastra Deemed University, Kumbkonam, Thanjavar , Tamilnadu India.
- National Conference On Recent Trends In Analysis With Emphasis On History Of Mathematics (NCRTAHM), School Of Studies In Mathematics, Pt.Ravishankar Shukla University Raipur (C.G.). Dec. 04-06, 2003.
- 10th Annual Conference Of Vijnana Parishad Of India On Mathematical Modeling, May 17-19, 2004.MANIT, Bhopal (MP), India.
- 3rd Chhattisgarh Young Scientist Congress, Feb 28 & March 1, 2005. Pt Ravishankar Shukla University, Raipur (C.G).
- International Conference on Mathematics and Application, April 26-28, 2017. Department of Mathematics, Ramjas College, University of Delhi
- International Conference On Discrete Mathematics And Its Application. Dec.09-11, 2004, Amrita Institute of Technology, Coiambatore, Tamilnadu (India).
- First International Conference on Integrated Computing Technology (INTECH’11) May 29-June 01, 2011. Federal University of Sao Carlos, Brazil.
- International Conference on Informatics Engineering & Information Science, University Technology Malaysia, Kualalampur, Malaysia Nov. 14-16, 2011.
- 3rd International Conference on Innovative Engineering Technology (ICIET’2016). August 5-6, 2016. Rajamangala University of Technology Thanyaburi, Bangkok, Thailand

**Award and Honors:**- Junior Research Fellow CSIR New Delhi, from January 2003 to December 2004.
- Senior Research Fellow CSIR New Delhi, from January 2005 to October 2005.

**Conferences/ Workshops/Symposium/ Short-term Courses Organized:**- National Conference on “Advances in Mathematical Science”, AMS-12, Oct. 05-07, 2012. Department of Mathematics, Motilal Nehru National Institute of Technology. (Organizing Secretary) (Budget 2.6 Lakh)
- National Workshop on Optimization Techniques and their Applications (NWOTA’13), Jun- 05-11, 2013. Department of Mathematics, Motilal Nehru National Institute of Technology. (Treasurer)
- “National Instructional Workshop on Cryptology (NIWC’14)”, June 05-09, 2014. Organized by Department of Mathematics, Motilal Nehru National Institute of Technology under the ages of Cryptology Research Society of India (CRSI). (Convener) (Budget 4.8 Lakhs)
- TEQIP-II Sponsored National Conference on “Application of Mathematics in Engineering and Sciences”, AMES-2014, Nov. 29-30, 2014. Department of Mathematics, Motilal Nehru National Institute of Technology. (Joint Organizing Secretary) ( 1 lakh)
- Two days seminar on “Quadratic Form and Arithmetic” in the occasion of National Mathematics Day, during December 22-23, 2017, Department of Mathematics, MNNIT Allahabad. (Coordinator)
- “National Instructional Workshop on Cryptology (NIWC’18)”, June 06-10, 2018. Organized by Department of Mathematics, Motilal Nehru National Institute of Technology under the ages of Cryptology Research Society of India (CRSI). (Sponsored by CRSI, NBHM and TEQIP-III) (Convener) (Budget Rs. 467015)

**Projects Completed:**- Mini Research Project entitled “Computer added technique for diseases diagnosis: noninvasive approach of disease detection using Iris Image” Chattisgarh Council of Science and Technology (CCST) (sanction letter No. 1100/CCOST/MRP/2015, dated 04/09/2015, sanctioned Amount- Rs. 2, 87, 000/-), PI- Dr. Keshri Verma, Dept. of Computer Science, NIT Raipur, Co-PI: Dr. Bikesh Kumar Singh, Department of Biomedical Engineering, NIT Raipur & Dr. Sahadeo Padhye, Dept. of Mathematics, MNNIT Allahabad.