Lease rent for petrol pump

Sir I have give land to petroleum marketing company to open a petrol pump. Main point of Terms and Condition is as under 1.The sub lessor has agreed to grant up to the sub leasse a sub please of the said property for the period of 15 years from 1.1.2005 to 31.12.2020 with a renewal option of 15 years on the same terms and condition here in container. 2. Now this indenture witness that in consideration of the rent herein after reserved and of the covenants and condition here after contained and on the part of the lessee to be paid observed and performed the lessors hereby demise un to the lessee all and singular the land situated at ......... 3. The lessors during the said term monthly and proportionately fir any part of month the rent of rs 3000 per month for period 1.1.2005 to 31.12.2020 payable. 4. That if the sub lessee shall punctually pay the rent and observe and perform the covenants and condition of the part of the lessee therein contained the lessee shall quietly enjoy the demised premises during the period of the lease or its renewal without interruption by the sub lessor or any persons lawfully claiming under or in trust for the sub lessor or otherwise however . 5. That the sub lessor shakl on the written request of the leader made before the expiry of the term herby created and if there shall not at the time of such request be any existing breach or non observance of any of the covenants on the part of the sub lessee herein before contained grant to sub lessee . a lease of the Denise premises for the further term of 15 years from the expiration of the first term u.e 1.12.2020 containing like covenants and provisos as are herein contained . 5. Now the indenture witnesseth that in consideration of the rent herein after reserved and of the convenient and condition herein after contained and on the part of the lessee to be paid observed and performed . The lessor hereby demise unto the lessee all and singular and the land situated at ........ Sir I want to increased rent on renew but company said the lesser agreement for 30 years with same rent. Please guide.