[1][2] Dr Nirmal Singh was born on 22 January 1956 to a humble family in Karanwara Basohli, Jammu and Kashmir.

His father was a security aide of the erstwhile Maharaja Hari Singh of Jammu and Kashmir (princely state).

[3] After being elected to J&K Legislative Assembly in 2014 and becoming Deputy Chief Minister of the erstwhile State, Dr Singh acted as a guide for two of his students who were preparing for PhD thesis submission.

Besides teaching at the department, he also took the mantle of the J&K State President, Akhil Bharatiya Vidyarthi Parishad and following a directive from the RSS joined the BJP.

[11] BJP got 25 seats and formed the Government with Peoples Democratic Party with Mufti Mohammad Sayeed as the Chief Minister of Jammu and Kashmir.

[13][14] Singh was among the top names considered for the post of Chief Minister of Jammu and Kashmir, if BJP had got the upper hand in the negotiations to form the Government with PDP.

[19] Singh pushed the officers of J&K Power Development Department (PDD) to meet the targets set for completion of various center-funded schemes.

The initiative was implemented by J&K State Power Development Corporation Limited (JKSPDC) in collaboration with IIT Madras.

He stressed on the Prime Minister’s vision of providing 24×7 electricity to every household of J&K and implementation in transparent and efficient manner.

[22] On 11 December 2017, he launched Saubhagya (Sahaj Bijli Har Ghar Yojna) in J&K with motive of providing free electricity connections to the poor of the erstwhile State.

[26] On 10 May 2018, Singh was elected as Speaker of Legislative Assembly, defeating Usman Majid, Congress MLA from Bandipora.

[27] On 21 November 2018, Governor Satya Pal Malik dissolved the J&K Legislative Assembly but Dr Singh continued to hold the chair of the Speaker.

The committee visited Aalwpura Migrant Colony in Shopian district along with Relief and Rehabilitation Commissioner, K K Sidha.

[33] A deputation of Kashmiri migrant employees met Dr Singh on 3 April 2023, he was listening to the public grievances at BJP headquarters, Trikuta Nagar, Jammu.

Dr Singh is available every Monday at the BJP Office, Trikuta Nagar, Jammu for grievance redressal of general public.