S. 80 : Return for losses – Unabsorbed depreciation and carried forward losses – A return filed u/s 153A is deemed to be a return filed u/s 139(1). Accordingly, the restrictive provisions of S. 80 do not apply. The return u/s 153A, once accepted and assessed, replaces the original return filed u/s 139. Therefore, the assessee is eligible for carry forward business loss [ S.139(1), 153A ]