Nalgonda Congress leader Palle Ravi Kumar and his wife, Chandur MPP Jyothi, joined TRS on Saturday in the presence of the party's working president KT Rama Rao in Hyderabad. Ravi Kumar was among those trying for a chance as Congress candidate for the Munugode by-election. His brother, Palle Vinod, has filed his nomination as a candidate for Telangana Jana Samithi.