Indigo Airlines — PNR UJV8UR AC was working in full journey and the crew member saying we can't do anything

Address:	Elegant Springdale #106 Kemp Road Pulkeshi Nagar
Website:	INDIGO

Hi I was travelling from Patna to Bangalore via Bhubaneshwar in which when flight not even started we informed the crew that AC is not working she told due to outside heat it is not working in sometime when flight start it will work after flight took off 25 min later i called crew member she said in sometime it will start later they started selling food least bothered for AC and my wife and daughter both got sick 2 times my daughter did vomating after several times calling she informed that AC got problem so it is not working when my wife pulse gone after 1 hr journey than she changed her seat and said this is not there problem if AC is not working i was seated on same seat as they said flight is full full journey i was sweating and told them to give feedback form which i wrote everything and told she will give complaint from there side also.
I want full refund as we are paying for comfort but they are saying it is not there responsibilty and do whatever you need to give complaint nothing problem to them.
Previously also my bag they have damaged several complaints given but didn't got any response.I have photo and video proof.
PNR UJV8UR