Government Estates Manual, 1919 reads as under: (20) That on the expiry of the terms of your lease, you shall, if you have duly observed and performed all the conditions of the lease, execute a new lease for such period and on such rent and containing such other terms and conditions as the Collector may then deem proper. If you decline to accept a new lease on the terms and conditions stated above, then the Collector may from the date of expiry of the present lease enter on and take possession of the land and of all buildings erected thereon, provided that in such case you shall be entitled to compensation for houses erected and other improvements made in the land with the consent of the Collector, the amount of such compensation to the fixed by the Collector whose decision shall be final, conclusive and binding on you.’’ Clause 15 and 16 of the lease agreement reads as under: “(15) That on breach or non-observance of any of aforesaid terms or conditions, the Collector may declare