[4] Later, Singh joined Sikh movement for rights in Punjab, named Dharam Yudh Morcha.
[citation needed] Shabeg was a descendant of Mehtab Singh who killed Massa Ranghar after he captured the Golden Temple.
[7] In 1942, an officer-selection team visiting Lahore colleges recruited Singh to the British Indian Army officers cadre.
He was unofficially sent for service in the 1947 Indo-Pakistan War in Kashmir along with Maharaja Yadavindra Singh's Akal Regiment.
[11] With his leadership qualities and use of daredevil tactics he was greatly successful in handling the counter-insurgency operations in that region and crushed the Naga Insurgency, for the next four years there were no terrorist incidents.
[16] In 1975 Shabeg Singh was asked by Indira Gandhi to suppress the Bihar Movement through harsh measures and arrest Jayaprakash Narayan.
[17] Shabeg Singh wrote a letter back stating that the Indian Army should not be involved in political matters.
[5][13] Two charge sheets in an anti-corruption court were brought against him in Lucknow by India's Central Bureau of Investigation.
[13] Singh had said that he had joined Bhindranwale due to the alleged humiliation he had received, which included being stripped of his pension.
[22] Singh and his military expertise is credited with the creation of effective defences of the temple complex that made the possibility of a commando operation on foot impossible.
The Government is deliberately terming him a traitor because his brand of politics probably doesn't suit them.At the later stages of the operation, Singh was killed in firing between the Akal Takht and Darshani Ḍeorhi.