The correct option is C 26/7/1838
On 26 June 1838, a treaty was signed between the British, Shah Shuja and Maharaja Ranjit Singh, known as the Tripartite Treaty. According to this treaty, Shah Shujah accepted the suzerainty of Maharaja Ranjit Singh on all Afghan territories, which included Kashmir, Multan, Peshawar, Attock, and Derajat.