Despite Supreme Court order, Aadhaar still mandatory for filing I-T returns Income tax rules still maintain that income tax returns cannot be e-filed without quoting an Aadhaar number despite the March 13 Supreme Court order directing the government should not make it mandatory to quote the 12-digit number till the final verdict. The income tax website still bars taxpayers from filing returns without an Aadhaar number in spite of a Supreme Court order indefinitely extending the deadline for mandatory linking of the unique identity number. With only 10 days left for filing income tax returns for financial years 2015-16 and 2016-17, individual taxpayers who haven’t filed their returns for the two years and have not enrolled for Aadhaar are unsure if they can file their returns at all. Income tax rules still maintain that returns cannot be e-filed without quoting an Aadhaar number despite the March 13 SC order directing the government should not make it mandatory to quote Aadhaar