Section 261 in THE BHARATIYA NYAYA SANHITA, 2023 – BNS

Escape from confinement or custody negligently suffered by public servant.

261. Whoever, being a public servant legally bound as such public servant to keep
     in confinement any person charged with or convicted of any offence or lawfully committed
     to custody, negligently suffers such person to escape from confinement, shall be punished
     with simple imprisonment for a term which may extend to two years, or with fine, or with
     both.