Section 44(f) in The Life Insurance Corporation Act, 1956
(f)any scheme in existence on the appointed day or any scheme framed after the appointed day with the approval of the Central Government whereby, in consideration of certain compulsory deductions made by Government from the salaries of its employees as part of the conditions of service, the payment of money is assured by Government on the death of the employee concerned or on the happening of any contingency dependent on his life;
