1. Engineering Science Department, Ramrao Adik Institute of Technology, Nerul, Navi Mumbai (M.S.) 400-706, India
2. P.G. Department of Mathematics, SSVPS’s L. K. Dr. P. R. Ghogrey Science College, Deopur, Dhule (M.S.) 424-005, India
3. M.G. Tele Commerce, C. & B. R. Tele Science and K. Tele Management College, Thalner, Tal. Shirpur, Dist. Dhule (M.S.) 425-421, India