Thanks for reply Giri. But one doubt still remains with respect to under construction projects who sold flats on basis of super area. Since these under construction projects will also be under RERA ( due to not getting completion certificate by a said date ) , so going forward will buyer in such projects pay registry charge on carpet or super area ?Thanks for reply Giri. But one doubt still remains with respect to under construction projects who sold flats on basis of super area. Since these under construction projects will also be under RERA ( due to not getting completion certificate by a said date ) , so going forward will buyer in such projects pay registry charge on carpet or super area ?