Summary: from the sea, is only 30 feet above high water level. The Hooghly, a branch of the Ganges, winds through the city, dividing it into two unequal parts, with Fort William on its eastern bank. The country gradually rises to the north, forming the Ganges-Jumna doab and the Gangetic plain of Bihar and Orissa, where the rivers have cut deep channels, forming valleys. In Sikkim, the terrain is rugged and mountainous, with peaks like Kinchinjunga towering over the region. The climate varies from the tropical heat of the deltaic plains to the temperate conditions of Sikkim, with heavy monsoon rainfall in the plains. The population is diverse, with Bengalis in the plains, Biharis and Oriyas in the Gangetic regions, and hill tribes like the Lepchas and Bhotias in Sikkim. The region is characterized by agricultural activities like rice cultivation in the plains, tea plantations in the hills, and fishing in the river deltas. The industries are varied, from brass and copper work to tea production and jute milling. The religious landscape is rich, with a mix of Hinduism, Buddhism, Islam, and Christianity influencing the culture and rituals of the people. The physical, cultural, and economic diversity make the region a unique and intriguing part of India.