Indigo Airlines — cancel flight money not refund

Address:

Ukkungram Visakhapatnam steel plant, Visakhapatnam, Andhra Pradesh, 530032

I am priya ranjan. I booked flights indigo pnr status hk1kkg and ygk4qv date of journey 10 apr and return date 22 april from patna to visakhapatnam connect flight on same pnr. Flight currently unavailable service but airlines not in mood to refund money to customer account. I am requesting to you guidelines given to him should that without any reduction money refund me.
Thanks
Priya ranjan
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