Consider the following statements regarding the early British consolidation and economic transition in Bihar: 1. The transition of Bihar from a Mughal province to a British stronghold was significantly marked by economic exploitation, particularly regarding Saltpeter and Opium. 2. Following the Battle of Buxar, the British acquired the Diwani (revenue) rights of the region through the Treaty of Allahabad in 1765. 3. The devastating Great Famine of 1770 resulted in the perishing of nearly half of Bihar's total population. Which of the statements given above is/are correct?

Consider the following statements regarding the constitutional and administrative evolution of Bihar: 1. The combined province of Bihar and Orissa was officially separated from Bengal in 1912. 2. Lord Satyendra Prasanna Sinha was appointed as the first Indian Governor of the province of Bihar and Orissa in 1920. 3. Following the separation of Orissa in 1936, provincial elections were held in 1937, leading to Srikrishna Sinha becoming the head of the ministry (Premier/Chief Minister). Which of the statements given above are correct?

Consider the following statements regarding the institutional developments and strategies employed during mass movements in Bihar: 1. The Non-Cooperation Movement in Bihar involved the establishment of alternative institutions, such as the Bihar Vidyapeeth and Bihar National College, to substitute the British educational system. 2. To structurally support the political mobilization during this era, Mazhar-ul-Haq founded the Sadaqat Ashram, which functioned as the headquarters for the Congress in Bihar. 3. As part of the Non-Cooperation Movement's parallel institutional strategy, the Azad Dasta was established in Nepal to train youth in sabotage against British infrastructure. Which of the statements given above is/are correct?