Modway Furniture India — Not received the product nor any refund

I have ordered two product from modway furniture india website.and had done the payment through paytm upi from my union bank of india . Amount of rs 25000.but not received any delivery yet nor any refund.they r not picking up the call. I had all details regarding this purchasing .sending u the details n requesting u to chargeback the whole amount from merchant's bank.pls help me out with this.