Date Act Applicable Form Obligation 06/05/2016 Service Tax Challan No.GAR-7 E-Payment of Service Tax for April by Cos 07/05/2016 Income Tax Form No.27C (TCS) Submission of Forms received in Apr to IT Commissioner 07/05/2016 Income Tax Challan No.ITNS-281, Form 26QB (Purchase of Property) Payment of TDS/TCS deducted/collected in Apr 10/05/2016 Excise ER-1 Return for Non SSI assessees for Apr 10/05/2016 Excise ER-2 Return for EOUs for Apr 10/05/2016 Excise ER-6 Return by units paying duty > 1 crore (CENVAT + PLA) for Apr 12/05/2016 D-VAT BE-2 Advance information for 2nd fortnight of May of functions with booking cost > Rs 1 lakh in Banquet Halls,hotels etc. in Delhi 15/05/2016 D-VAT DVAT-20 Deposit of DVAT TDS for Apr 15/05/2016 Income Tax Return 24Q, 26Q, 27Q & 27EQ TDS/TCS returns for Mar Quarter by ALL Deductors/Collectors INCLUDING Govt. 15/05/2016 Providend Fund Electronic Challan cum Return (ECR) E-Payment of PF for Apr ( NO Grace of 5 days) 16/05/2016 D-VAT