What is the punishment for mischief by fire?

Indian Penal Code S. 436.Mischief by fire or explosive substance with intent to      destroy etc.,  Whoever commits mischief by fire or any explosive substance, intending to cause, or         knowing it to be likely that he will thereby cause the destruction of any building which is       ordinarily used as a place of worship or as a human dwelling or as a place for the      custody of property, shall be punished with imprisonment for life, or with imprisonment      of either description for a term which may extend to ten years, and shall also be liable        to fine.