A.V. Nachane v. Union of India AIR 1982 SC 1126
ISSUE:
Whether retrospective legislation or rules can nullify a binding Supreme Court judgment and override rights already accrued?
Whether the LIC (Amendment) Act, 1981, and the rules made under it violate constitutional protections under Articles 14 and 19(1)(g)?
Whether the delegation of legislative power under the LIC (Amendment) Act, 1981, is excessive or lacks sufficient legislative guidance?
RULE:
Retrospective legislation cannot nullify a binding judicial mandate or accrued rights unless expressly provided for and constitutionally valid.
Legislative delegation is valid if sufficient policy guidance is provided, ensuring clear limits on the exercise of delegated powers.
Laws are valid under Article 14 if classifications are reasonable and not arbitrary and under Article 19(1)(g) if restrictions serve the public interest and are justified.