The Telangana State Road Transport Corporation (TSRTC) would operate 390 special buses from Hyderabad, Secunderabad and Ranga Reddy region to Srisailam on the occasion of Maha Shivaratri. The special bus service will start from February 16 to February 19. These buses will start from MGBS, JBS, Dilsukhnagar, KPHB, BHEL and few other places in the city, RTC officials said.