Q. Which country has world's biggest reserves of Thorium? Answer:
India
Notes: Both the IAEA and OECD appear to conclude that India may possess the largest share of world’s thorium deposits. Of the currently known world thorium reserves, India has a mammoth share - ranging from 25-30% of the total of 1,160 thousand tonnes. In India, thorium is mainly found in the beach sands on the Kerala coast.