The Commission shall not conduct any investigation under this Act,-
(a) if the allegation of corruption mentioned in the petition has been the subject matter of another investigation or inquiry or other proceedings by or before a Commission of Inquiry appointed under the Commissions of Inquiry Act, 1952 or any other Commission appointed by the Government; or
(b) if the petition does not comply with the provisions of section 8; or
(c) if the corruption is alleged to have taken place before a period of five years immediately preceding the commencement of this Act; or 10
(d) if the petition under section 8 has been presented after the expiry of a period of twenty-four months from the date on which the corruption is alleged to have taken place;
or
(e) in respect of corruption alleged to have taken place within a period of five years immediately preceding the commencement of this Act, if the presentation of the petition is after the expiry of a period of twenty-four months from the date on which the corruption is alleged to have taken place or six months from such commencement, whichever is later.