Before to apply TNPSC 1. Already OTR Candidates (One Time Registration) *Check ur one time registration *Five year validity  *If validity is over *Renewal it now before announcement  *Adhar card attachment is done or not * Adhar card with correct mobile number, again OTP will get when u apply TNPSC Group 1,2,4  2. New candidates First Registration your OTR with Rs.100  If any doubts whats app me +919942213225 www.tnpsctrichy.com