If the second party Lessee performs his acts regularly according to the aforesaid terms within last five years and is abide by the rules and pays the fixed monthly rent of Rs.250 two hundred fifty rupees to the first party Lessor month by month and pays the rates and tax to the Municipality then on the expiry of the said tenure of five years, the tenure of this lease will be enhanced for a further period of five years, i.e. upto 31st March, 1966 having fixed the monthly rent of Rs.300 three hundred rupees in place of Rs.250 two hundred fifty rupees under all the aforesaid terms in paragraphs 1 to 10 and the second party Lessee shall fully remain bound abso lutely by all the aforesaid terms and all the said rules shall fully remain in force, only the monthly rent of Rs.300 three hundred in place of Rs.250 two hundred fifty will be fixed.