Clause 7 of the agreement mandates the lessee to keep the building in proper repair and lessee is prohibited from making any structural alterations in or additions to the building. Clause 7 reads as under: “(7) That the Lessees shall keep the building in Proper repair and shall not make any structural alterations in or additions to them of any kind whatever either inside or outside the building without the previous Written consent of the Collector” 17Clause 12 mandates the lessees to pay rent before the date fixed for such payments and failure to do so attracts interest @ 10% p.a. Clause 12 reads as under: “(12) That, in the event of the Lessees’ not paying any instalment of the rent on or before the dates herein fixed for such payments, the Lessees shall, in addition to the arrears, pay interest at the rate of ten per cent per annum on such arrears.” Clause 13 mandates the lessee to pay all Municipal or other local rates and taxes imposed or assessed upon their holding under any law