Mishra, considered close to Modi, has held various key positions at the Centre and in the Gujarat government.
Misra was appointed the Principal Secretary to Modi on May 28, 2014. He is a 1967-batch retired IAS officer of Uttar Pradesh cadre.
He has also served in various capacities in the government, retired as the chairman of the Telecom Regulatory Authority of India (TRAI) in 2009.
Additional Principal Secretary Mishra, a 1972-batch retired IAS officer of Gujarat cadre, served in the same position in the last five years of the Modi government.
Mishra had served between 2001 and 2004 as the Principal Secretary to Modi when he was the Gujarat chief minister.
Mishra was the Secretary in the Ministry of Agriculture between December 1, 2006 and August 31, 2008.
After his retirement, he was appointed the chairman of the Gujarat Electricity Regulatory Commission for a five-year-term.