I am staying in central kolkata and the dwelling unit along with tenant occupied portion was purchased by me in july'2010 , in my building two tenants occupaying two rooms at 2nd floor with separate toilet cum latrine (wherein they are staying since 1977) are paying monthly rent @ Rs.26/- per month to me , now neither they are willing to increase rent nor to surrender the rooms ,meanwhile i got four letter of intent from some of my neighbours to rent in the rooms at a cost of Rs. 5500/-(min) to Rs.7500/- (max) per month. In context to my proposals they are thereting me to go to Kolkata Rent control , moreover they are unlawfully doing renovation jobs without structural changes, forcefully (by using some ploitical influence and muscle power ) restricting me to use some common balcony passage in 2nd floor ( saying it is their occupied portion- as there is no lease agreement made by the earlier landlord )hence as a LL i am being victimised and things are completly unjustified, Kindly suggest best possiable action to be taken up.