Next 90 Days Due Dates Jan Feb Mar Apr May June July Aug Sep Oct Nov Dec All 25 May 26 Deposit of GST of April under QRMP scheme. 28 May 26 Return for April by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them. 30 May 26 ITC reversal on stocks and capital goods by person opting for Composition scheme in FY 26-27.