Vat return & payment due date

Turnover less than 1 crore : Quaterly Return(30.6.,30.9,30.12&31.3) Within 20 days after the end of the       quater

However Tax to be paid every month within 20 days of the end of the month

E.g : Tax : For the month of february then upto 20.3.2013.

          Return : 20.4.2013

Turnover Exceeds 1 Crore : Tax & Return Each month within the 20 days of next month.

E.g.  Tax For the month of february then upto 20.3.2013.

Thanx for this