Indigo Airlines — Refund amount

Address:

Quamruddin ganj, biharsharif ,Nalanda ,bihar

I have booked a ticket four 4 people for 4th apr having flight no 6e 689, pnr no nkqlgt and 10 apr having flight no 6e 6616, pnr no oltfnd but due to pandemic covid 19 our flight got cancelled and we were given credit vouchers which is to be used till 31st march 2021 but as we don't want to travel now due to health issues and other problems so we want our amount to be refunded in our account not in form of credit vouchers as it is for no use o[censored]s. So kindly refund the amount as soon as possible.