Post-search income disclosure via advance tax or returns constitutes undisclosed income for block assessment purposes.

Following a search operation between 22.01.2003 and 13.02.2003, the Assessing Officer (AO) conducted a block assessment for the period 01.04.1996 to 22.01.2003.

The AO identified undisclosed income arising from three sources: (i) a "token booking system" for unaccounted freight, (ii) suppressed freight charges evidenced by discrepancies between Management Information Reports (MIS) and regular books, and (iii) inflated lorry hire charges.

The AO passed an assessment order on 28.02.2005.

Meanwhile, the assessee filed a return for AY 2002-03 on 12.03.2004 (after the search and the statutory due date of 31.10.2002), declaring income and paying advance tax.

The Commissioner of Income Tax (CIT) subsequently exercised revisionary powers under Section 263 of the IT Act, setting aside the block assessment as erroneous and prejudicial to the revenue because the AO failed to properly categorize the post-search disclosure as "undisclosed income".

The Income Tax Appellate Tribunal (ITAT) and CIT(Appeals) issued various orders regarding the deletion of additions, leading to cross-appeals by both the Revenue and the Assessee.

1. Whether the CIT validly exercised revisionary jurisdiction under Section 263 to set aside a block assessment order made under Section 158BC.

2. Whether income disclosed in a return filed after a search operation, but where advance tax was paid, constitutes "undisclosed income" for the purpose of block assessment.

3. Whether the appellate authorities were justified in deleting additions regarding suppressed freight charges based on the principle that unaccounted receipts must have corresponding unaccounted expenses.

The court primarily applied Section 263 of the Income Tax Act, 1961, which empowers the Commissioner to revise orders that are erroneous and prejudicial to the interests of the revenue.

It further relied on the Supreme Court’s interpretation of Section 158BB in ACIT v. A.R. Enterprises (350 ITR 489), which established that advance tax is an estimate of "current income" and does not constitute disclosure of "total income" if the return is filed after the search and the statutory due date.

The court also distinguished between Section 158BB(1)(c)(A) and Section 158BB(ca) regarding the treatment of returns filed after the expiry of the due date.

The Court held that the CIT’s revisionary power is plenary and can be exercised over block assessments to correct lack of inquiry or misapplication of law.

Regarding the timing of disclosure, the Court noted that the search occurred in January 2003, whereas the assessee’s return for AY 2002-03 was filed in March 2004—well after the October 2002 due date.

Applying the A.R. Enterprises doctrine, the Court reasoned that allowing post-search filings to qualify as "disclosed income" would enable tax evaders to dilute the effect of search operations by filing belated returns.

Furthermore, the Court found the ITAT's deletion of suppressed freight charges (Rs. 3.99 crore) to be perverse; the ITAT had accepted the logic that "unaccounted receipts incur unaccounted expenditure," which the Court characterized as "legalizing shadow accounts for evading tax".

However, the Court upheld the deletion of Rs. 2 crore in lorry hire charges, agreeing it was a permissible provision under the mercantile system of accounting.

It allowed the Revenue’s appeal (T.C.A. No. 274/2014), holding that the Rs. 1.68 crore disclosed post-search must be treated as "undisclosed income".

Finally, it partly allowed the Revenue's appeal (T.C.A. No. 1026/2009) by restoring the addition of Rs. 3.99 crore for suppressed freight, while confirming the deletion of Rs. 2 crore for lorry hire charges.

The Court set aside the ITAT order dated 13/08/2013 and confirmed the assessment order dated 31/12/2010.