Capital Gain Tax querry

Hello,

Please suggest me the following capital gain tax querry.

I purchased A) 268 Sq.yards of site purchase on 30-11-2001 for a sale deed value of Rs.3,75,200/- plus registration expences of Rs.60,000/- .B) 268 sq.yards of site purchase on 30-11-2001 for a sale deed value of Rs.3,75,200/- plus registration expences of Rs. 60,000/-

The above total cost of these two sites i.e.536 sq.yards of cost is Rs.8,70,400/-(including Reg.Expences)

The above total site was given to builder for development of apartments. Builder was taken permission for construction of 10 flats and developement agreement was registered on 26-09-2007

As per the terms and conditions of the registered development agreement the builder should be give to me  4 flats with full finished works out of 10 flats and also received Rs.12.00 lacs as a non-refundable deposit which is deposited into bank as a FDR..

Builder was delevered 4flats to me on 31-10-2009 . of which I sold one flat on 31-01-2010 for sale deed value of Rs.16.30 lacs ( an undivided and unspecified share of site 53.6 Sq.yards(rate per Sq.yard as per sale deed Rs.8,910/-) and 1925 sq.feet of building)

So, please suggest me how the calculation of capital gain tax as per income tax act for the asst.year 2010-11and also give me any case law.

Thanks.