Singh was one of the four police officers of the Chandigarh Police who were trained in Delhi on speed-radars, first introduced in Chandigarh in 1980. He served in various wings of the Chandigarh Police including police stations, vigilance, crime against women cell and CID. He also remained Station House Officer of Police Station-19, after which he was posted as Staff Officer to UT Inspector General of Police and was given charge of Inspector (Press).

Singh was awarded President Police Medal for meritorious services on the Independence Day in 1992. He has been awarded 155 Commendation Certificates by various Inspector Generals of Police for his work in various fields.