The largest producer of diamond In India is:

Answer: Option A

Madhya Pradesh is the only diamond producing state and is leading producer of copper conc., pyrophyllite and diaspore. State hosts country's 68% diaspore, 41% molybdenum ore, 46% pyrophyllite, 32% diamond, 29% copper ore, 17% rock phosphate, 16% each of manganese ore and fireclay and 11% ochre resources.