He was appointed on August 8 for a period of six years or until he attains the age of 65 years, whichever is earlier, a notification issued by the Ministry of Personnel said today.
The retired Indian Railway Traffic Service officer was chairman of Railway Board for two years from June 30, 2011 to June 30.
Mittal has worked in various capacities in the Railways including as General Manager of South Eastern Railway, Additional General Manager, Central Railway, Divisional Railway Manager-Bilaspur, Chief Passenger Transportation Manager, Chief Freight Transportation Manager and Executive Director, Traffic Transportation (Movement) in Railway Board among others.
He is the eight member in the Commission.
Besides him, RajniRazdan, Venkatarami Reddy Y, AlkaSirohi, David R Syiemlieh, Manbir Singh, former CBI director Amar Pratap Singh and Former Navy Vice Chief D K Dewan are other members.
The Commission, headed by D P Agrawal, still has two vacancies.