Digital signature certificate

Digbijoy Ghosh (Lawyer) (132 Points)

09 August 2011  

Hi friends!! I got struck in Digital Signature Certificate during e-file of tax return as it is mandatory from this year for audit returns. Please write me the comlete prosesure about Digital Signature Certificate and how to up load this while filling? What are the validation period of DSC?
Please suggest me with your best suggestions.
Thanks & regards
Digbijoy