Regarding din 4

when you certify any form it means you are certying its content only.....please verify if there is any contravention.

Agree with Mr. Rai. 

when i upload din 4. this error occure " income tax pan or voter's id card or passport no. or driving licance no. as entered in the e form is already existing in the database against a din. the form can not be filed" 

no pan number is shown in form 1A when i enter din no. and pre fill

what is last date for filing din 4 ???

Last date for DIN 4 is Apr. 30, 2012. In your problem when you presecruitnise the form, this error occure " income tax pan or voter's id card or passport no. or driving licance no. as entered in the e form is already existing in the database against a din. the form can not be filed" . in such error it also says you want to resubmit the form, you must click no and uplaod the form. and the PAN will be updated.

Try later

Mr. A. Deepak Reddy

The DIN 4 forms are currently under revision & will be updated shortly. It is for this reason you are unable to file form