Here is the bus timings from WARANGAL to Ramagundam
TSRTC runs buses in regular intervals from WARANGAL to Ramagundam via Karimnagar
If you face challenges for direct bus, you can take bus to Karimnagar and then you will find great frequency of buses to Ramagundam
Buses to various destinations pass through Ramagundam are Karimnagar, Godavarikhani, Mancherial etc.