Aditya Birla Health Insurance — Policy cancelled, Refund not received even after 2 month

I have cancelled policy with Aditya birla on 26 April and now its been more than 60 days and i have not received any refund from them.
i have called/emailed them several times but they always ask for more time. it seems that they are FRAUD.

Policy number[protected]

I am still looking for Refund