Penalty for unauthorised entry

Any person who effects or attempts to effect entry into a protected place or protected area— (a) by using, or threatening to use, criminal force to any person posted for the purpose of protecting, or preventing or controlling access to, such place or area, or (b) after taking precautions to conceal his entry or attempted entry from any such person, shall be punishable with imprisonment for a term which may extend to two years or with fine or with both.