Odisha state is the leading producer of manganese in India producing 37% of the total manganese production in the country and followed by Maharashtra with 24% and Andhra Pradesh. Karnataka and Madhya Pradesh.

Tropical grasslands, or savannas, are also the homes of primates in Africa and Asia; no savanna-living primates exist in South America. Tropical grasslands comprise a mixture of trees and grasses, the proportion of trees to grass varying directly with the rainfall.

A big bed of rock salt with the top portion of the bed containing potash (though not the variety used as ferilizer) has been discovered in Thar Desert at a depth of 100 metres. A massive belt of lead and zinc has been found in the Agucha area, while gold bearing rocks have been discovered in the Tuensang district of Nagaland.

The highest of this peak is 1772 m.

The area of the four states approximately, are as follows : Madhya pradesh 443000 sq km; Rajasthan 342000 sq km; Uttar pradesh 294000 sq km.

Railway Coaches and wagons are manufactured in Perambur, Chennai.