According to Census 2011, which group of union territories has the highest density of population?

Correct option is A

The correct answer is (A) Delhi and Chandigarh

Explanation:
• According to the Census of India 2011, the National Capital Territory of Delhi had the absolute highest population density (11,320 persons per sq km).
• Chandigarh ranked second among the Union Territories with a high density of 9,258 persons per sq km.

Information Booster:
• Population density is calculated as the number of persons per square kilometer.
• Among the states, Bihar had the highest population density (1,106 persons per sq km).

Additional Knowledge:
• Lakshadweep and Puducherry (Option B): Though densely populated, they are significantly behind Delhi and Chandigarh.
• Delhi and Daman-Diu (Option C): Daman and Diu's density (2,191) does not rank it as the second highest.
• Lakshadweep and Chandigarh (Option D): Incorrect pair for the top two slots.