law: 215. Petition for challenging election.
  (1) The election of a person to the office of a Councillor shall not be called in question except by a petition to be filed before the Election Tribunal within such time and in such manner as may be prescribed, on the ground that
  (a) the election has not been a free election by reason that the corrupt practice of bribery or undue influence has extensively prevailed at the election; or
  (b) that the result of the election has been materially affected
  (i) by the improper acceptance or rejection of any nomination; or
  (ii) by gross failure to comply with the provisions of this Act or the rules framed thereunder.
  (2) The Election Tribunal constituted under section 103 of the Manipur Panchayati Raj Act, 1994
  (26 of 1994), shall also be the Election Tribunal for the purposes of sub-section(1).
  (3) The decision of the Election Tribunal shall be final.