Sanjay Singh, Additional Divisional Railway Manager (ADRM), Prayagraj, North Central Railway (NCR), and formerly Deputy Chief Electrical Engineer (Locomotives), North Central Railway (NCR), has been given post- facto sanction for extension of term of deputation with Rail Vikas Nigam Limited (RVNL) for a period from July 31, 2021, to March 2, 2022. He is an Indian Railway Service of Electrical Engineers (IRSEE) officer.