Penalty for under-reported income is excluded where the taxpayer...

Penalty for under-reported income is excluded where the taxpayer provides a bona fide explanation and fully discloses supporting material facts. Uploading audit records, paying relevant taxes before reassessment, and filing income accepted without additions supported cancellation under section 270A. Delayed tax-audit reporting does not attract penalty where reasonable cause is established: director disputes during the pandemic delayed account finalisation, while prompt upload after finalisation and absence of prejudice supported cancellation under section 271B.