Vatika Group — Saree

Website:

vediksaree.com

I have ordered 2 order from this account however, they didn't return money. I lost 2796 rs because of this.
There site is vedik sarees.com.
They have page in facebook also. Consumer service is not working. I have called them for the refund on that time they told me to give my atm card number, and to download any desk app (Which is to clone my screen to there system).
I have recorded there call in my phone.
But i don't know how to do a complaint legally.
Order number is # 27958 and #27968.
Their phone number which i called is [protected] and [protected]