The Khalsa, a Sikh military order, was established by:

Guru Nanak Dev
Guru Gobind Singh
Maharaja Ranjit Singh
Banda Singh Bahadur

The correct answer is: b) Guru Gobind Singh.

Guru Gobind Singh was the tenth and final human Guru of Sikhism. He was born in Patna Sahib, India in 1666. He was the son of Guru Tegh Bahadur, the ninth Guru of Sikhism. Guru Gobind Singh was a great warrior and poet. He is also known for establishing the Khalsa, a Sikh military order.

The Khalsa was established in 1699 by Guru Gobind Singh. The Khalsa is a community of Sikhs who have taken a vow of commitment to Sikhism. The Khalsa is known for its bravery and its commitment to fighting for justice.

The Khalsa has played an important role in the history of Sikhism. The Khalsa has fought against oppression and injustice. The Khalsa has also played a role in the development of Sikh culture.

The Khalsa is a living tradition. The Khalsa continues to play an important role in the lives of Sikhs around the world.

The other options are incorrect because:

  • a) Guru Nanak Dev was the first Guru of Sikhism. He was born in Talwandi, India in 1469. He is considered the founder of Sikhism.
  • c) Maharaja Ranjit Singh was the founder and first Maharaja of the Sikh Empire. He was born in Lahore, India in 1780. He is considered one of the greatest rulers of India.
  • d) Banda Singh Bahadur was a Sikh warrior and saint. He was born in village Matte di Sarai, near Amritsar, India in 1670. He is considered a martyr in Sikhism.