Bhavanari Satyanarayana is Professor in Acharya Nagarjuna University, Andhra Pradesh. Tumurukota Venkata Pradeep Kumar is Assistant Professor in University Engineering College, Acharya Nagarjuna University, Andhra Pradesh. Shaik Mohiddin Shaw is Assistant Professor in Mathematics in Narasaraopet Engineering College, Narasaraopet, Andhra Pradesh.