He will succeed AK Joti, who retired yesterday. Rawat's tenure will end in December this year.
He was appointed Election Commissioner in August 2015.
Born on December 2, 1953, Rawat is a former Madhya Pradesh cadre IAS officer.
Sunil Arora is the other Election Commissioner in the three-member poll body.
Former finance secretary Ashok Lavasa was appointed Election Commissioner on Sunday. His appointment will come into effect from the day he assumes office. (ANI)