Sec 139(9):- Income Tax Return is treated defective return under section 139(9) of income tax act if Income Tax Return is filed without complete information or documents.
Defective return should be rectified within 15 days of Receipt of Notice under section 139(9) otherwise return become void ab initio.
Reasons for Defective Returns: -
1. Assessee fails to file his/her return in correct format or correct form...