you can refer the link to find-out how to calculate monthly society charges ......www.commonfloor.com/guide/popular-methods-to-calculate-maintenance-fee-in-apartment-complexes-505.html
Hello Shobha, you should join the owners group of you apartment on commonfloor.com. This will help you to communicate with the other residents in your apartment society. You can login in to your commonfloor account and join your apartment community. After you will reach on the dash board and on you right hand side there is a tab called "start a discussion". Start the discussion there and the onwers who have joined the community with help you out