Telangana State Road Transport Corporation [TSRTC] — Collecting money more than ticket amount

Address:

Valiyavalappil house sreekandapuram kerala 670631

Sir while I'm going to sttc moula Ali from secunderabad in 17d bus the conductor collected me ₹50 for two persaon and given only two tickets of ₹20/-.
While I'm asking balance amount he refuded to give balance amount.
I have ticket as proof and one co passenger as witness.
I'm writing this complaint while on the same journey going on.
Take necessary actions against the conductor