New Delhi, March 5 -- The Uttar Pradesh government on Tuesday removed the chairperson of the UP Police Recruitment Board, an official said. The chairperson, Renuka Mishra, has been replaced with IPS officer Rajeev Krishna, days after the UP police constable recruitment examination was cancelled following allegations of a question paper leak. More than 48 lakh candidates appeared in the examination, which was held on February 17 and 18 across the state. The state government on February 24 cancelled the police constable recruitment examination and said a re-examination would be conducted within six months. The government also said that a Special Task Force (STF) would probe the paper leak allegations. Earlier last month, Uttar Pradesh Chief M...