In case of your thus continuing the lease of the said land and the said road you shall pay to me annually the sum of Rs. 400/ (four hundred rupees) as rent of the said land and the said road for 1st ten years beginning from the 1st October ', 1934, and ending on the 30th September, 1944, and after the expiration of the period of ten years the annual rent payable by you for the said land and the said road will be Rs.500/ (five hundred rupees) per annum but you shall always be at full liberty to give up the said land the said road and terminate this lease at any time you may desire so to do after the 1st October, 1934, and the rent payable in respect of the said land and the said road shall cease to be paid by you from the time you may give up the said land and the said road after the 1st October, 1934.