Noose tightens around controversial U.P politician Raja Bhaiya. CBI interrogates Nanhe Singh, one of the close aides of Raja Bhaiya, in the killing of Kunda DSP Zia-ul-Haq, who was shot dead while on duty on March 2. <br /><br />For more log on to http://www.newsx.com<br />Follow NewsX on Facebook at https://www.facebook.com/Newsxonline
