[Resolved]  Indigo Airlines — missed connecting flight due to delayed indigo flight

My friend missed his flight from bangalore to frankfurt at 3.05 6th June 2019 am due to delayed indigo flight 6E 877 scheduled to depart at 21.55 on 5th June 2019 instead departed at 5.00 am the next morning that is 6th June 2019 as a result of which my friend had to book another flight and had to pay 1000$ again. I want full refund of $1000 from bloody airlines Indigo. They did not help at all nor did they provide any accommodation or any other assistance.