Scrutiny assessments founded on revised returns require a...

Scrutiny assessments founded on revised returns require a statutory notice tied to the operative revised return; its absence is an incurable jurisdictional defect not cured by participation, and assessments for three years were quashed. Pre-amendment annual Form 3CL quantification could not defeat or cap weighted research-and-development deductions where substantive approval existed, but eligibility required limited verification. Rule 8D disallowance required account-based satisfaction, excluded investments yielding taxable foreign dividends, and could not automatically increase book profit under the self-contained minimum alternate tax regime. Expenditure improving access to an existing factory remained revenue expenditure where no capital asset or proprietary advantage was acquired.