Bihar Chief Minister and Janata Dal (United) supremo Nitish Kumar’s advisor and former IAS officer Manish Verma, 50, formally joined the JD(U) on Tuesday. A 2000-batch Odisha-cadre IAS officer and former Patna district magistrate, Verma had taken voluntary retirement (VRS) in 2018, reportedly on the advice of Nitish. He has since been working as a close aide of the CM. There has been a lot of buzz around Verma’s entry into the JD (U) amid the possibility of him being groomed as the party’s future leader. Verma, who had been…