Spice Jet Airlines — No Refund of amount on cancelled tickets from Spicejet

Address:

SpiceJet Ltd., 319, Udyog Vihar, Phase-IV, Gurgaon- 122016 Haryana, India

I have booked spicejet flight on March 21, 2021 for the return flight from Mumbai to Patna dated on 21 April and 30th april, 2021, respectively.
I have booked two more flight on March 28, 2021 . First was from Hyderabad to Patna. Second was from Patna to Mumbai. I have to cencelled

Due to covid i cancelled all the flights on 17th April, 2021. As per DGCI guidelines, i should get full refund for cancelled tickets. I waited for 5 7 working days to get refund atleast normal cancelled ticket amount, but i have not received anything yet. I have mailed them 3 to 4 times and even tried to call customer care but it always come as busy. No response from them.
Please file a complaint against Spicejet and get my refund as applicable.