The fact of the matter is that in the absence of any regulation that defines the standard measurement of super built-up area, built-up area and carpet area, every developer defines it as per his convenience. There is no scientific methodology that defines what is an ideal loading percentage.
It is the lack of proper disclosure that often results in litigations. Across the world, disclosure laws vary from state to state, even down to the city and local governance level. Though disclosure norms are very poor in India, the developers who conceal relevant information about the housing project can still be taken to courts for failure to disclose.