Re-filing ITR

Mannu (Scientist) (59 Points)

25 July 2011  

If i have efiled my ITR at the site incometaxefiling.gov.in 

and later on notice some modifications in the ITR submitted what should i do ? 

Should i file a revised return ?? or file the return as original as due date is July 31 ? 

I have yet not despathched the signed copy of the Acknowlegment to CPC ,bangalore ?