1. Applied Mathematics and Humanities Department; Sardar Vallabhbhai National Institute of Technology; Ichchanath Mahadev - Dumas Road Surat 395 007 Gujarat India
2. L. 1627 Awadh Puri Colony Beniganj, Phase -III; Opposite - Industrial Training Institute (I.T.I.); Ayodhya Main Road Faizabad 224 001 Uttar Pradesh India
3. Department of Mathematics; BVM Engineering College; Vallabh Vidyanagar 388 120 Gujarat India