Sarup Das Bhalla of Mahima Prakash describes him as one of Guru Gobind Singh's constant and closest companions.

[1] In-sequence, he was the nineteenth one to undergo the Pahul and be baptized into the Khalsa order on Vaisakhi of 1699 in Anandpur.

Rustam Khan crossed the Sutlej with his troops at night, about midnight, but was spotted by Alam Singh.

He immediately informed the guru and a fierce battle ensued, with the Sikhs defeating Rustam Khan.

Alam Singh advanced far beyond the Sikh line of defence, making himself vulnerable to the enemy whom came to surround him.