Jhawar, a non government official, has been appointed at the level of Director for five years or on co-terminus basis with the minister's tenure,an order issued today by Department of Personnel and Training (DoPT) said.
However, he has already been working as OSD to Sinha for about four months.
His appointment is effective from December 16, 2014, the date of clearance from Intelligence Bureau (IB), the DoPT order said.
The central government has made IB's clearance mandatory for appointment of a private person as OSD to a minister.