(5)For the purposes of administering the fund, managing the investments, maintaining accounts of the contributions, withdrawals, credit of interest in respect of each employee of the fund created, and any other matter specified in the scheme for any exempted establishment or class of establishments, or employees or class of employees, a board of trustees shall be constituted by the employer which will be a legal entity which can sue and can be sued and the conditions for management of the trust shall be prescribed by the appropriate Government as part of the conditions for exemption:Provided that conditions for administering the fund, managing the investments, maintaining accounts of the contributions, withdrawals, credit of interest in respect of each employee of the fund created, in respect of exemption from Provident Fund Scheme, Pension Scheme and Insurance Scheme shall be specified in such respective schemes.