Manoj Kumar received the B.Sc. degree in mathematics, in 1993; the M. Sc. in Mathematics, in 1995; the M.Phil., in Cryptography, in 1997; submitted the Ph.D. thesis in Cryptography, in 2003. He also taught applied Mathematics at DAV College, Muzaffamagar, India from Sep, 1999 to March, 2001; at S.D. College of Engineering & Technology, Muzaffarnagar, and U.P., India from March, 2001 to Nov, 2001; at Hindustan College of Science & Technology, Farah, Mathura, continue from Nov, 2001. He also passed the National Eligibility Test (NET), conducted by Council of Scientific and Industrial Research (CSIR), New Delhi- India, in 2000. He is a member of Indian Mathematical Society, Indian Society of Mathematics and Mathematical Science and Cryptography Research Society of India. His current research interests include Cryptography, Numerical analysis, Pure and Applied Mathematics.