Carrier Midea India — Split air conditioner

I bought ac on 19 June and installed badly on 21 June and same day ac started throwing water and immediately I called technician but from 4 days he was making us fool we called Many time but in morning he says will come evening in evening he says will come tomorrow morning now we r fad up And I also mailed and called on costumes care but same reply have patience we will visit soon. I bought this ac for my son’s room coz his all exam and classes going on online and his exam will start tomorrow so I don’t want any disturbance after today. Now I don’t want this ac and want my money back and repairing of my room. My reference no is[protected]