S. 48 : Capital gains-Mode of Computation-Cost of acquisition-Fair market value of land as on 1st April, 1981-Sale transaction through open auction in nearby Village Bhatauli, where the Ministry of Defence, Government of India purchased land on 3rd Nov., 1981 would be a better determinant of the fair market value of the land that was sold by the assessee-AO is directed to adopt the said value of the land for the purposes of determining the cost of acquisition and resultant indexed cost of acquisition while computing the capital gains in the hands of the assessee-[S.2(14), 45, 55(2)(b)]