<span style="color: #222222;">Senior IAS officer Rajiv Gauba today took over as the new Cabinet Secretary after the superannuation of PK Sinha.<br />'' <br />'' Mr Gauba, a 1982 batch officer belonging to Jharkhand Cadre of Indian Administration Service, has held important assignments including  Union Home Secretary, Secretary of Ministry of Urban Development and Chief Secretary of  Jharkhand. <br />''<br />''He has also represented India at the International Monetary Fund.</span><br />''