S. 48: Capital gains-Mode of Computation-Reference to valuation officer (FMV)-FMV of property as on 1-4-1981-Valuation report prepared by a Government-approved registered valuer-Matter was to be remanded back to file of Assessing Officer with a direction to refer valuation of property as on 1-4-1981 to DVO as per specific request of assessee, and thereafter, re-compute long-term capital gain-Cost of improvement expenses-Matter remanded for fresh examination-Full value of consideration-Stamp valuation-Matter concerning correct sale consideration required de novo consideration and was to be restored to Assessing Officer.[S. 45, 50C, 55A, 131, 133(6), 154]