(1) The Central Government may, for the purposes of---
(a) the Provident Fund Scheme, establish a Provident Fund where the contributions paid by the employer to the fund shall be ten per cent. of the wages for the time being payable to each of the employees (whether employed by him directly or by or through a contactor), and the employee's contribution shall be equal to the contribution payable by the employer in respect of him and may, if any employee so desires, be an amount exceeding ten per cent. of the wages, subject to the condition that the employer shall not be under an obligation to pay any contribution over and above his contribution payable under this section:
Provided that in its application to any establishment or class of establishments which the Central Government, after making such inquiry as it deems fit, may, by notification, specify, this section shall be subject to the modification that for the words 'ten per cent.' at both the places where they occur, the words " twelve per cent." shall be substituted:
Provided further that the Central Government, after making such inquiry as it deems fit, may, by notification, specify rates of employees contributions and the period for which such rates shall apply for any class of employee;
(b) the Pension Scheme, establish a Pension Fund in the manner specified in that scheme by that Government into which there shall be paid, from time to time, in respect of every employee who is a member of the Pension Scheme,---
(i) such sums from the employer's contribution under clause (a) not exceeding eight and onethird per cent. of the wages or such per cent. of wages as may be notified by the Central Government;
(ii) such sums payable as contribution to the Pension Fund, as may be specified in the Pension Scheme, by the employers of the exempted establishments under section 143 to which the pension scheme applies;
(iii) such sums as the Central Government after due appropriation by Parliament by law in this behalf, specify;
(c) the Insurance Scheme, establish a Deposit-Linked Insurance Fund in the manner specified in that scheme by that Government into which there shall be paid by the employer from time to time in respect of every such employee in relation to whom he is the employer, such amount, not being more than one per cent. of the wages or such per cent. of wages as may be notified by the Central Government for the time being payable in relation to such employee:
Provided that the employer shall pay into the Insurance Fund such further sums of money, not exceeding one-fourth of the contribution which he is required to make under this clause, as the Central Government may, from time to time, determine to meet all the expenses in connection with the administration of the Insurance Scheme other than the expenses towards the cost of any benefits provided by or under the Insurance Scheme.
(2) The Provident Fund, the Pension Fund and the Insurance Fund shall vest in, and be administered by, the Central Board in such manner as may be specified in the respective schemes.