The correct option is C Charat Singh
Ranjit Singh was born to Mahan Singh and Raj Kaur on 13 November, 1780. He was the grandson of Charat Singh, who was the founder of the Sukerchakia Misl, while his father, Mahan Singh, was the chief of the Misl. Ranjit Singh was born as Buddh Singh and was renamed Ranjit when he showed great ability in battle. He successfully united all Sikh Misls and unified the Punjab region.