OYO — refund not processing

We have booked a package from oyototalholidays. We have paid 25% of the payment. They haven't booked anything for our tour plan as well as they haven't provided us any hotels voucher. Despite asking so many times, they ignored us.
They didn't even receive our phone call. We sent them mail so many times. Now, after getting frustrated we want refund. But they don't even process our refund. Till now they are just telling us to give sometimes to give the refund back. Seriously how shameful act this is from oyo. Too much disappointed. Please give my money back asap. You can't cheat any customer like this way.