On or Before Particulars
5th Pay Your Service Tax.
(For Assessee other than Proprietorship and Partnership)
7th 1. Pay amount of TDS Deducted in Last Month
2. Submit copy of 15 G Received in Prior Month.
15th Submit Quarterly TDS Return 
15th Pay the Amount of PF Contribution.
15th Pay amount of Professional Tax Deducted from Employees Salary of the Previous Month and submit MONTHLY Return thereof.
15th Submit quarterly import export return to applicable authority
21st Pay Contribution under ESIS for the previous month.
22nd Pay your VAT for previous month/quarter
25th Submit Monthly Return of Contribution in respect of PF & ESIS
30th Submit Monthly / Quarterly Return of VAT 
31st Pay Your Income Tax and Submit Income Tax Return (Only Non-Audit Case)