Gst composition scheme

computer repairing ke kaam mein saamaan purchase karne ke liye party ne gst registration karaya hai. repairing ka bill kaise kare. 

NEW PARTY KA GST REGISTRATION KIYA. TENT HOUSE AND CATERER. COMPOSIT SE KIYA. HO GAYA. RETURN PERIOD JUL TO SEP AND OCT TO DEC RETURN DASHBOARD PAR DIKH RAHA HAI. BUT LOG SAYING KI CATERING SERVICE PAR COMPOSIT SCHEME APPLICABLE NAHI HAI. PARTY KA BILL OF SUPPLY PRINT KARWAYE YA INVOICE. PLS. CLEAR. DASH BOARD SE COMPOSIT SE EXIT HONE KA BHI OPTION CLEAR NAHI HO RAHA HAI.