Share Tweet Share Share Thousands of existing buildings in Mumbai don’t have Occupation Certificate. Lakhs of buildings in various cities of Maharashtra have the same problem i.e. the OC has not been procured by the builder although many years or decades have passed since the builder gave possession. Real Estate Regulatory Authority is a useful forum that will offer quick remedy for lakhs of aggrieved flat-owners. CA Ramesh Prabhu explains how and why.