Who was known as 'Champion of the Khalsa'?

Solution (By Examveda Team)

Hari Singh Nalwa was Commander-in-chief of the Khalsa, the army of the Sikh Empire. He is known for his role in the conquests of Kasur, Sialkot, Multan, Kashmir, Attock, Peshawar and Jamrud. Hari Singh Nalwa was responsible for expanding the frontier of Sikh Empire to beyond the Indus River right up to the mouth of the Khyber Pass. His spectacular achievements exemplified the tradition established by Guru Gobind Singh Ji, such that he came to be called as the Champion of the Khalsa.