1. This revision petition has arisen out of a suit instituted by the respondents against the petitioner for a perpetual injunction. The brief material facts are these.

2. The respondents own a multi-storied commercial building bearing municipal No.103 called Bhullar Market at Lawrence Road, Amritsar. By lease deed dated Sept. 18, 1974, 2000 square feet of constructed area, being on the left side of the first floor, was leased out to the petitioner. The demised area comprised two halls, balcony, W.C. and bathroom. By a subsequent lease deed dated December 4, 1979, further portion was leased out in favour of the petitioner-company. The portion thus leased out was on the right side of the first floor and some constructed part of the second floor. The second lease covered a demised area of 2127.56 square feet and comprised four rooms, one hall, store, balcony, W.C. and bathroom on the first floor, and two rooms and a bath-room on the second floor. Except two rooms and a toilet, the remaining second floor is lying unconstructed and vacant. The petitioner appears to have installed there a diesel engine and an electric motor for drawing water from the municipal water-supply system