DM sahib, this is Tejashwi Yadav: A call from RJD that left Patna official stumped The video of the telephonic exchange between RJD leader Tejashwi Yadav and Patna District Magistrate Chandrashekhar Singh, that took place on Wednesday night, has gone viral. Share Via Email | A+A A- By PTI PATNA: The caller divulges his identity over the telephone, causing the voice of the peremptory bureaucrat on the line to quiver, as crowds erupt in cheers. The video of the telephonic exchange between RJD leader Tejashwi Yadav and Patna District Magistrate Chandrashekhar Singh, that took place on Wednesday night, has gone viral on the social media.