Concept:Population data from the 2011 Census shows Sikkim as the least populated state in India.
Explanation:According to the 2011 Census, Sikkim has a population of 6,10,577.
This is the lowest among all Indian states.
Sikkim is located in northeastern India with a low population density of 86 persons per square kilometre.
Other states like Manipur, Arunachal Pradesh, and Mizoram all have higher populations than Sikkim.
Even recent estimates confirm Sikkim remains the least populated state.
Answer:C. Sikkim