Saraf Furniture / Insaraf.com — failed to deliver product

I placed an order in january 2018. Order no. Insf[protected]. Raised a complaint for delay in delivery on 16 feb. Complaint no. 59831. More than a month has passed since then and still no delivery. Every time i contact them i get a new date for delivery. Worst experience ever. Can someone guide me how can i approach consumer forum to raise legal complaint against them