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Among the given options, the state of Jharkhand is NOT one of the most important mica-bearing pegmatite rich states in India. It`s important to note that the other options, namely Andhra Pradesh, Bihar, and Jammu and Kashmir, are known for their significant reserves of mica-bearing pegmatite.
Mica-bearing pegmatites are a type of rock formation that contain valuable minerals like mica. They are often found in regions with geological conditions favorable for their formation. In India, Andhra Pradesh, Bihar, and Jammu and Kashmir have been identified as prominent states with rich deposits of mica-bearing pegmatite.
Jharkhand, on the other hand, is not known for having significant reserves of mica-bearing pegmatite. This distinction makes it the correct answer, as it is the only option among these states that does not have notable deposits of this type of rock formation.