Over 6.63 crore income tax returns (ITRs) have been filed for 2020-21 fiscal as of March 15, an increase of 16.7 lakh over the tax returns filed last year, the I-T department said on Wednesday. March 15 was the last date for filing ITRs for 2020-21 fiscal by corporates and other taxpayers who have to file audit reports. The last date for individuals was December 31, 2021. "More than 6.63 crore Income Tax Returns (ITRs) were filed for AY 2021-22 on the new e-filing portal of the Income Tax Department as on 15th March, 2022... This reflects an increase of over 16.7 lakh ITRs over total filing of ITRs for AY 2020-21 till March 15, 2021," the I-T department said in a statement. More than 5.43 lakh ITRs were filed on March 15, 2022, compared to 4.77 lakh last year on the due date, while over 13.84 lakh ITRs were filed in the last five days (compared to 11.87 lakh earlier). Out of the 6.63 crore ITRs filed for AY 2021-22, 46 per cent are ITR-1 (3.03 crore), 9 per cent are ITR-2 (57.6 lakh), 15 per cent are ITR-3 (1.02 crore), 26 per cent are ITR-4 (1.75 crore), and 2 per cent are ITR-5 (15.1 lakh), ITR-6 (9.3 lakh) and ITR-7 (2.18 lakh).