21 September 2012
E-filing with digital signature is mandatory for those with business income of Rs 1 crore or more and professionals with income of Rs 25 lakh or more. Till last year, e-filing was mandatory if the figures exceeded Rs 60 lakh and Rs 15 lakh, respectively. E-filing is now mandatory for individuals and Hindu Undivided Families whose accounts have to be audited under Section 44AB of the Income Tax Act. For companies, e-filing with digital signature is mandatory.