Balbir Singh Yadava, who is presently posted in North Central Railway (NCR), has been attached with Chief Commissioner of Railway Safety (CCRS), Lucknow, to look after the duties of Deputy Commissioner of Railway Safety (Dy. CRS), Signal and Telecommunication (S&T), Lucknow in addition to his own for a year. He is an Indian Railway Service of Signal Engineers (IRSSE) officer.