ok , thanks for the suggestion mohan.
I will contact some 2 to 3 demolition contractor's from next week and get the quotes.

Thanks @mohan_hu for the reply!
Any idea of the cost for demolition for GF and first floor around approx 2000 Sq feet.

hello,

I am planning for house construction in 30*40 G+3 [GF(parking + small 1bhk)+2BHK(rent purpose)+Duplex(Own Purpose)] in BSK II stage
Construction start is planned in mid of next month, As I was already following this site since a couple of months which had lot of information related to house ...