Mr Travels — Refund of difference amount as non AC bus provided in lieu of AC bus.

I traveled form Barmer to Jodhpur on 01 Oct 2021 by MR Travels Bus. Bus starting time was 1400 hrs and it reached at 1800 hrs. My online ticket no was TQAU25079101. I paid 270 Rs as a AC bus. But non AC bus provided. And conductor not refund the difference amount to me. Refund the difference amount.