S. 45 : Capital gains-Insurance policy-Maturity value-Gains at time of extinguishment of rights-liable to be treated as capital gains-Cost of acquisition will be taken as amount paid towards premium minus 20 per cent of sum assured, which amount shall be treated as not part of investment, rather towards cost of hedging of risk under insurance policy. [S. 10(10D), 48, 56, 88(2A)]