direct the LESSEES to remove the structures or other improvement within a specified time and, if the LESSEES fail to remove them accordingly, the Collector shall cause such removal to he effected and recover the cost from the LESSEES. Where compensation is offered, the amount of such compensation shall be fixed by the Collector whose decision shall be final, conclusive and binding on the Lessees, subject to revision by the Revenue Commissioner.” (16) That in the event of breach or non-observance of any of the aforesaid terms or conditions in addition to or in lieu of any other remedy to which the Collector may be entitled the LESSEES shall be subject to a penalty to be imposed by the Collector which shall not exceed half the yearly rental.” A perusal of these two clauses would disclose that the said option of renewal is not unrestricted and can only be exercised by the lessee after having duly observed and performed all the conditions of the lease. From the perusal of the report