The correct answer is C. Gulab Singh.
Gulab Singh was the founder of the Dogra dynasty in Jammu and Kashmir. He was a general in the army of Maharaja Ranjit Singh of the Sikh Empire. In 1846, he was awarded the princely state of Jammu and Kashmir by the British East India Company after the First Anglo-Sikh War. He ruled Jammu and Kashmir from 1846 until his death in 1857.
Karan Singh was the son of Maharaja Hari Singh of Jammu and Kashmir. He served as the regent of Jammu and Kashmir from 1949 to 1953 and as the Sadr-i-Riyasat (head of state) of Jammu and Kashmir from 1965 to 1972.
Hari Singh was the last Maharaja of Jammu and Kashmir. He ruled from 1925 until 1953. In 1947, he signed the Instrument of Accession, which made Jammu and Kashmir an Indian state.
Ranjit Singh was the founder and Maharaja of the Sikh Empire. He ruled from 1799 until his death in 1839. He was a powerful and influential ruler who united the Sikh people and created a large empire in the Punjab region.