Event Date Act Applicable Form Obligation 07/05/2019 Income Tax Challan No. ITNS-281 Payment of TDS Deducted in April 11/05/2019 Goods and Service Tax GSTR-1 Outward supplies of taxable goods and/or services for the Month of April 2019 turnover exceeding 1.5 Cr.) Monthly Return. 13/05/2019 Goods and Service Tax GSTR-6 Return by Input Service Distributor 15/05/2019 Providend Fund Electronic Challan cum Return (ECR) E-Payment of PF for Apr 15/05/2019 ESI ESI Challan Payment of ESI of Apr 15/05/2019 Income Tax Return No. 27EQ TCS Return of all collectors for March Quarter 15/05/2019 Income Tax Form No.27C (TCS) Exemption from TCS 15/05/2019 Income Tax Form No. 16 B Due date for issue of TDS Certificate for tax deducted under Section 194-IA in the month of March, 2019 20/05/2019 Goods and Service Tax GSTR-3B GSTR return for the month of April 2019 30/05/2019 Income Tax Form - 49C Statement by No