Reassessment under the Income-Tax Act: The Doctrine of Tangible Material and Live Link
Reassessment under the Income-tax Act, 1961 (the "Act") occupies a sensitive constitutional fault line in India. Designed as an exceptional power to address genuine income escapement, it must constantly balance the State's taxing authority against a taxpayer’s right to finality and legal certainty. For decades, the phrase "reason to believe" in Section 147 served as the primary jurisdictional threshold. It acts as a legal gatekeeper, preventing the arbitrary disturbance of assessments that have already been concluded. The Original Statutory Framework Enacted in 1961, Section 147 originally allowed reassessment only if the assessee failed to fully and truly disclose all material facts. Under this regime, the Assessing Officer (AO) required a specific "reason to believe" that income had escaped assessment. Both conditions were mandatory for notices issued under Section 148 beyond the normal limitation period. The AO was required to record reasons...