<P> Before British rule was imposed over Allahabad, the city was conquered by Maratha Empire . Marathas left behind two beautiful eighteenth - century temples with intricate architecture . </P> <P> In 1765, the combined forces of the Nawab of Awadh and the Mughal emperor Shah Alam II lost the Battle of Buxar to the British . Although the British did not take over their states at that time, they established a garrison at Fort Allahabad, understanding its strategic position as the gateway to the northwest . Governor General Warren Hastings later took Allahabad from Shah Alam and gave it to Awadh, alleging that he had placed himself in the power of the Marathas . </P> <P> In 1801 the Nawab of Awadh ceded the city to the British East India Company . Gradually the other parts of Doab and adjoining regions to its west (including the Delhi and Ajmer - Merwara regions) were won by the British . These northwestern areas were made into a new province called the North - Western Provinces, with its capital at Agra . Allahabad was located in this province . </P> <P> In 1834, Allahabad became the seat of the Government of Agra Province and a High Court was established . A year later both were relocated to Agra . </P>

Who has made allahabad the emergency headquarter in 1857