_Coal._--Coal has been known to exist in India since 1774. The first mine at Raniganj dates from 1820, and has been regularly worked up to the present time. Coal of varying quality exists under a very extensive area in India, being found in almost every province and native state with the exception of Bombay and Mysore. In respect, however, of both the number and size of its mines Bengal comes easily first, with seven-eighths of the total output, the largest mines being those of Raniganj, Jherria, and Giridih, while the Singareni mine in Hyderabad comes next. Many of the Bengal mines, however, are very small. There are some important mines in Assam and the Central Provinces. The importance of the Indian coal production lies in the hope that it holds out for the development of Indian industries, especially in connexion with the nascent iron and steel industry. Coal and iron are found in conjunction in the Central Provinces, and the Tata Company has recently been formed to work them on a large scale. The railways already use Indian coal almost exclusively, and Indian coal is being taken yearly in greater quantities by ships trading to Eastern ports. The total output in 1905-1906 was 8,417,739 tons; while there were 47 companies engaged in coal-mining, of which 46 were in Bengal. _Gold._--The production of gold in India is practically confined to the Kolar gold fields in Mysore. An uncertain but unimportant amount is annually procured by sand-washing in various tracts of northern India and Burma; and there have been many attempts, including the great boom of 1880, to work mines in the Wynaad district of the Madras Presidency. There are also mines in the Hyderabad state from which a small amount of gold is produced. But the output of gold in Mysore represents 99% of the annual Indian yield. Modern mining at Kolar dates from 1881, but there are extensive old workings showing that much gold had been extracted under native rule. The mines are worked under leases from the Mysore government, which secure to the state a royalty of 5% of the gold produced. Up to the end of 1903 the total output of the Kolar mines reached the value of £19,000,000.