Odhisha is the largest manganese producing state of India. Odhisha’s manganese reserves constitute 44% of the total reserves and produces 37% of the total manganese ore in India.
Dampier-Hodges line is an imaginary line drawn in 1829-1830 to mark the northern boundary of Sundarbans delta. It passes through 24 Parganas South and North districts of West Bengal.
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.
The Bhils are popular for their skills in archery. As per census 2011, the total population of Bhils is more than Six million. They are mainly found in Rajasthan, Chattisgarh, Maharashtra, Gujarat, Karnataka.