Dear @vkchief8
To lodge a complaint about your recent bus trip with the lack of functioning AC even after paying the full fare for an AC bus., you can contact the customer service department of the Bihar State Road Transport Corporation (BSRTC).
You can call the BSRTC helpline number 9798047742 / 9508633131 or email bsrtcreports@gmail.com.
You can also raise your concerns with the Regional Manager of the Patan division:
Still, need help? You can ask by replying here.