Under Public Premises (Eviction of. Unauthorised Occupants) Act , 1971-first send him a notice under section 4. Format of the notice is given under PP Act as Form "A. Manner of service of notice is prescribed unde rule 4 of PP Act. If he does not vacate the premises after serving the notice, move before the Estate OfficerUnder Public Premises (Eviction of. Unauthorised Occupants) Act , 1971-first send him a notice under section 4. Format of the notice is given under PP Act as Form "A. Manner of service of notice is prescribed unde rule 4 of PP Act. If he does not vacate the premises after serving the notice, move before the Estate Officer under Section 5 of the PP Act. Estate officer if satisfy will pass an eviction order, again he does not vacate the premises then by the order of estate officer you can use the force. under Section 5 of the PP Act. Estate officer if satisfy will pass an eviction order, again he does not vacate the premises then by the order of estate officer you can use the force.