Calcutta High Court
A2Z Infra Engineering Ltd. v. Union of India
Where petitioner faced multiple demands for same period under section 73 and had filed GSTR-3B by 30.11.2021, since retrospective amendment to section 16(5) regularized ITC, demand raised by subsequent order was not sustainable and same was to be quashed, order-in-original required re-adjudication in light of retrospective benefit and verification of return dates