1. Department of Mathematics, Kisan Veer Mahavidyalaya, Wai, Maharashtra, India
2. Department of Mathematics, N. B. Navale Sinhgad College of Engineering, Kegaon, Solapur + Department of Mathematics, Punyashlok Ahilyadevi Holkar Solapur University, Solapur, Maharashtra, India
3. Department of Mathematics, Karmaveer Bhaurao Patil College, Urun-Islampur, Maharashtra, India