He was seriously injured when the car he was in collided head-on with another vehicle on the Agra-Lucknow Expressway in the state’s Unnao district on Friday.
Four other persons, including a senior IANS journalist, were also injured in the accident, the police said.
He was admitted to the Trauma Centre of King George’s Medical University.
Sehgal is the UP Principal Secretary for information, tourism and sport is also Chief Executive Officer (CEO) of UP Expressways Industrial Development Authority (UPEIDA).
Senior journalist, IANS’ UP correspondent Mohit Dubey, who was also in the car, suffered minor injuries and is presently hospitalised in Lucknow.
The driver of the official white Ambassador car that Sehgal and Dubey were in is also seriously injured.
Sehgal was returning from the rehearsal of Indian Air Force fighter jets’ landing and takeoff manoeuvers on an airstrip on the expressway, when the accident occurred.
Two persons from the other car, a Renault Sedan, were also injured.