Belpahar area of old Sambalpur district has richest deposite of .............. in India.

Solution (By Examveda Team)

A total reserve of 0.674 million tonnes of fire clay has been estimated for the belpahar district. Tata Refractories Ltd. (TRL) is a major refractory plant in the state which thrives on the produce of the Belpahar fireclay mine. Other occurrences are reported in the village Chandli, Soldia, Ganga, Belout, Bhatlaida, Bonaroi, Khinda & Talabira.