Ramratna Singh, J.

1. This appeal by the plaintiffs arises out of a suit for ejectment and for recovery of arrears of rent and damages, which was decreed in part by an Additional Subordinate Judge of Muzaffarpur.

2. The facts are admitted. An area of 14 kathas and odd with a dilapidated construction situated in the town of MUzaffarpur was given to the defendants under a registered deed of lease dated the 5th October 1942. The period of lease was extended through another registered deed of lease dated the 25th July 1946 for a period of five years from the 16th October 1945 to the 15th October 1950. The first deed was executed by the plaintiffs in favour of defendant No.1, Banke Bihari Lal, on a monthly rent of Rs.60/- only, The second lease was executed by the plaintiffs in favour of defendant No.2, son of Banke Bihari; and the monthly rent was Rs.90 only. The leases were for industrial purposes; and the defendants made some constructions and set up mills on the demised land for the purpose of their business. On the expiry of the second term, the plaintiffs, after service of a notice on the defendants to vacate the demised land and to remove the construction and the mills, m