Consumer Redressal

I had purchased ifb ac from nagpur dealer M/s bapat shop at dharampeth nagpur.since one month of purchase there is repeatedely complaints and i requested for replacement but Ms. nidhi service engineer always gave false promise of replacement if again their is problem since last fifteen days there is problem and now she talks very rudely and most of she disconnects phone without solving the problem.Such rude executives should be questioned and my problem should be solved