Housing association flat maintenance on area basis

I am having a flat in maradu ernakulam kerala. thebuilder was charging 800 as maintenance for my 1 bhk flat and 1400 for 3 bhk.. the associataion took over and gradually changed to 2000 for every flat irrespective of flat area. 20 1bhk 1nd 29 2/3 bhk flats in building complaints were sent to collector ernakulam and cms grievance cell. now to hon governor. complaits bwere sent by mail and regd post to secretary and president. president has 15 flats 2/3 bhk in his/ wifes name allotted by builder for land given. seven people have complained but association is ignoring under excuse s of byelaw and agm. the maintenance should be as per area of flat. the committee members are using huge flats and passing on maintenence to small flat owners no registrar of hsg societies in kerala like maharashtra to take action..