HI Satish,
In case if supplier of Goods / Service missed to report any invoice in GSTR 1 and if Receiver of goods & Service has received such Goods & service with invoice, such missing invoice can be add in GSTR 2 by receiver.
Addition made by receipient of goods /service will be intimated to Supplier of such goods / service in GSTR 1A post recipient of goods / service completed GSTR 2 return. This way receipient of goods / Service will not lose any input credit which they rightfully eligible.