Section 318 : Punishment for Obstructing the Income-tax Authority.By admin / May 17, 2025 / Leave a Comment HomeIncome TaxSection 318 : Punishment for Obstructing the Income-tax Authority. Any person obstructing any Income-tax authority in the discharge of duties under this Act shall be punished with imprisonment for a term not exceeding 1 (one) year or with fine or with both.