Due date to deposit tax deducted(TDS) in March 2013 is 30.04.2013
Etds return due date for salary Q4 (01.01.2013to 31.03.2013) (form 24 Q) is 15.05.2013
Etds return due date for other than salary Q4(01.01.2013 to 31.03.2013) (26q) is 15.05.2013
Due date for form 16(salary) Fy 2012-13 is 31.05.2013
Due date for Form 16A quarter four (01.01.2013 to 31.03.2013) is 30.05.2013