Solution:Guru Gobind Singh (born in 1666 in patna) was the tenth and last Sikh Guru.• When his father, Guru Tegh Bahadur, was executed by Aurangzeb, Guru Gobind Singh was formally installed as the leader of the Sikhs at the age of nine, becoming the tenth and final human Sikh Guru.
• He founded the Sikh warrior community called Khalsa in 1699and introduced the Five Ks. (Kesh, kangha. kara, kachcha, kirpan) the five ar- ticles of faith that Khalsa Sikhs wear at all times.