Indian Penal Code, 1860

House-trespass.

442. Whoever commits criminal trespass by entering into or remaining in any building, tent or vessel used as a human dwelling or any building, used as a place for worship, or as a place for the custody of property, is said to commit "house-trespass".

Explanation : The introduction of any part of the criminal trespasser's body is entering sufficient to constitute house-trespass.