Guru Gobind Singh was

the 10th Guru of the Sikhs
founder of Khalsa, the inner council of the Sikhs in 1699
author of Dasam Granth
All the above

The correct answer is D. All the above.

Guru Gobind Singh was the tenth and final human Guru of Sikhism. He was born in Patna Sahib, Bihar, India on December 22, 1666. He was the son of Guru Tegh Bahadur, the ninth Guru of Sikhism. Guru Gobind Singh was a great warrior and poet. He founded the Khalsa, the inner council of the Sikhs, in 1699. He also wrote the Dasam Granth, a collection of his writings. Guru Gobind Singh was assassinated on October 7, 1708 in Nanded, Maharashtra, India.

A. Guru Gobind Singh was the tenth and final human Guru of Sikhism. He was born in Patna Sahib, Bihar, India on December 22, 1666. He was the son of Guru Tegh Bahadur, the ninth Guru of Sikhism. Guru Gobind Singh was a great warrior and poet. He founded the Khalsa, the inner council of the Sikhs, in 1699. He also wrote the Dasam Granth, a collection of his writings. Guru Gobind Singh was assassinated on October 7, 1708 in Nanded, Maharashtra, India.

B. Guru Gobind Singh founded the Khalsa, the inner council of the Sikhs, in 1699. The Khalsa is a community of Sikhs who have taken the five Ks, which are five articles of faith that all Sikhs must wear. The five Ks are: Kesh (uncut hair), Kangha (a wooden comb), Kara (a steel bracelet), Kachera (cotton shorts), and Kirpan (a sword).

C. Guru Gobind Singh was the author of Dasam Granth, a collection of his writings. The Dasam Granth is a sacred text of Sikhism. It contains hymns, prayers, and poems written by Guru Gobind Singh. It also contains a history of the Sikhs and a code of conduct for Sikhs.

D. All the above.