Q. Which state of India has largest monazite, which is an in situ resource for Thorium?
Answer: Andhra Pradesh
Notes: According to 2014 data by Atomic Minerals Directorate for Exploration and Research (AMD), India had 11.93 million tonnes of in situ resources Monazite (Thorium bearing mineral) containing around 1.07 million tonnes of thorium. The state-wise resources of in situ monazite established by AMD as of September 2014 are as follows:

State	Monazite (Million tonnes)
Odisha	2.41
Andhra Pradesh	3.72
Tamil Nadu	2.46
Kerala	1.90
West Bengal	1.22
Jharkhand	0.22
Total	11.93

Source:PIB

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