Voltas — Faulty AC

I purchased voltas AC from amazon in Aug 2023 . Since then the AC gas was leaking and in one year warranty, the company service provider came multiple times and fixed multiple things. But this year season again I faced the same issue of gas leakage. I got it fixed from local technician but it costed me huge amount. The AC was faulty since purchase time and this service cost was unnecessary cost beared by me