The high concentration of jute mills in the Hooghly basin are because of the presence of lot of water which is easily available from the Hugli River. Iron and coal also available from Raniganj mines. The suitable type of climate (24°C to 35°C temperature, rainfall of 120 to 150 cm, 80 to 90 % relative humidity ) is found in West Bengal.
Tripura has the highest number of primate species found in any Indian state. Tripura is a landlocked state in North East India. Tripura became a Union Territory on 1 July, 1963, and attained the status of a full-fledged state on 21 January, 1972. Tripura has a tropical savanna climate. The ancient name of Tripura is Kirat Desh or “The land of Kirat”.
EXAMIANS