The correct option is A 1845
The First Anglo-Sikh War between the British East India Company and Sikh Empire was fought from 1845 to 1846. It resulted in the victory of Britishers and ended with the signing of Treaty of Lahore in 1846. In the treaty, the Sikhs were made to surrender the valuable region (the Jullundur Doab) between the Beas River and Sutlej River.