Lucknow, Apr 28 (PTI) The Samajwadi Party today set up a five-member disciplinary committee to look into cases of some leaders and workers opposing official party candidates during the Uttar Pradesh assembly election. "Cases of opposition of authorised party candidates by some leaders and workers during the assembly election have come to the knowledge of the leadership," SP spokesman Rajendra Chaudhary said in a statement here. He said to inquire and review such cases party general secretary Ramgopal Yadav had constituted a five-member committee. The committee would carry out a district-wise review and submit its report by June 15. Necessary action would be taken within 15 days after receipt of the report, Chaudhary said.