Real Me — Delivery broken screen tv and saying that I didn't come under warranty

Address:	Kolkata and Delhi
Website:	www.realme.com/in/realme-tv

I have order a real me tv 32 inch Hd, and it was delivered to me and no technician came during the delivery and i have ask the delivery guy that who will come for installation and he said he don't know, so i unbox the box to check it and the display was crack and now they are saying that it cannot be covered under warranty as i have open it ...they should atleast told us or write in box cover that should be open by technician only...now who is at the lost.. please help