Onida / Mirc Electronics — provided a malfunctioned ac and not providing with service

Hi sir/madam, Hi, We bought a new Onida Ac 9/4/2019 and it stopped working on 28/5/2019. We filed a complaint on 30/5/2019 and there is no action taken yet. the company keeps lying to us by telling it will come today and its been more that 3 weeks already. The way they handle the customer is also rude. It is a new ac and how can it not work in a month. Even if it is under warranty they are not helping with replacement nor giving me proper response. we are in hot summer and we have a pregnant lady near her due date and the team is not helping at all. we spent so much money on ac and the response they give is worst. How can a pregnant lady survive in this summer in chennai who is near her due date. Please help me to get a new replacement of Ac itself since i feel cheated to get a malfunctioned AC.I have called the onida customer care for more than 5 times and they keep telling they will call me back but no response... fraud is what they are committing. Pls help me here