Tds payment due dates for march month

Dear Friends & Experts,

Could you please let me know the due date for payment of TDS for the month of March ,2013.

As far as i know TDS to be remitted before follwing month of 7th for preceding month deductions until Feb , where as due dates for March deductions can be paid until 30th of Apirl withoy any penalty and Interest. 

In view of the above , request you all pleae give your views.

Thanks,

Sravan