Ashwin Shekar P1, Prateek Ramdev2, Vinod Chauhan2, V Chandrashekar Rao2. 1. Department of Urology, Sri Sathya Sai Institute of Higher Medical Sciences, Prashantigram, Puttaparthi, Andhra Pradesh, India. Electronic address: ashwindoc1@yahoo.com. 2. Department of Urology, Sri Sathya Sai Institute of Higher Medical Sciences, Prashantigram, Puttaparthi, Andhra Pradesh, India.