Haier India Deep Freezer — Haier Window AC

I had compain on 22 april 22 regarding my window AC cooling problem, after that AC goes to service centre for leakage repair, after 10 days it gets back and after to 2 or 3 days again same problem started again i complained then again it goes to service centre then from then till date my AC does not received and still in service centre and in mean time they said that cooling coil damaged needs to replace and get advance payment for that and after that they only giving time, today/ tomorrow they will deliver my AC but till date my AC is not received and today they are not picking my call.
service center name:- shree sai, saket nagar kanpur U.P.