The correct answer is option 1, Phulaguri Dhawa (1861). The Phulaguri Dhawa peasant struggle was a result of the British opium policy. The opium policy allowed the British to control the opium trade in India, which had devastating effects on the local population. The British encouraged the cultivation of opium in India and imposed high taxes on opium production, leading to the impoverishment of the peasants who were involved in its cultivation.

The Phulaguri Dhawa peasant struggle took place in Assam in 1861. The peasants in the Phulaguri region revolted against the oppressive British opium policy and the impact it had on their lives. They protested against the high taxes imposed on opium cultivation and demanded relief measures from the British administration. The peasant uprising was eventually suppressed by the British authorities, but it highlighted the discontent and economic hardships faced by the peasants due to the opium policy.

It is important to note that the other options provided - Birsaite Ulgulan (1899-1900), Pabna Revolt (1873), and Maratha Peasant Uprising (1875) - were not directly related to the British opium policy. They were separate peasant struggles that