Bairāta, a town in Rajputana in the vicinity of Alwar, had from early times been
famous for its copper mines. It is mentioned in the ain-i-Akbari as also possessing an unremunerative silver mine [1].
[1]Wright H. Nelson (1908), Catalogue
of the Coins in the IndianMuseum, Calcutta, Vol. III. Reprinted in 1975 as
Coins of the Mughal Emperors in India
by K.V. Sachdeva, New Dehli