A Jharkhand-cadre IAS officer of 1982 batch, Gauba joins the Ministry on superannuation of Madhusudhan Prasad yesterday, an official release said.
Gauba, who is a Physics graduate from Patna University, has wide-ranging experience in senior positions in policy-making and programme implementation in central and state governments and in international organisations, it added.
Prior to his current assignment, he was the Chief Secretary of Jharkhand for 15 months.
Gauba has also served in International Monetary Fund Board for four representing the country, besides serving as Collector and District Magistrate for seven years in districts of Gaya, Nalanda and Muzaffarpur in Bihar.
"The government is attaching priority to urban agenda and best efforts need to be made for successful implementation of the new initiatives," he added.