In respect of shares, debentures and other securities held as stock-in-trade, the cost of stocks disposed of is determined by applying an appropriate cost formula(e.g. first-in, first-out; average cost, etc.). These cost formulae are the same as those specified in Accounting Standard (AS) 2, in respect of Valuation of Inventories.
As per AS 13 the valuation of Investment in Share shall be made as per current investment.. According to that the value should be cost or market value--- lower of both...