221. Whoever voluntarily obstructs any public servant in the discharge of his public functions, shall be punished with imprisonment of either description for a term which may extend to three months, or with fine which may extend to two thousand and five hundred rupees, or with both.
Bharatiya Nyaya Sanhita, 2023
Section 221: Obstructing public servant in discharge of public functions
Chapter XIII — Of Contempts of the Lawful Authority of Public Servants
Source: official text of the Bharatiya Nyaya Sanhita, 2023 (Ministry of Home Affairs).