Q. Which Union Territory in India has four districts but none of its districts has a common boundary with its other districts? Answer:
Puducherry
Notes: The union territory of Puducherry consists of four small unconnected districts: Pondicherry, Karaikal and Yanam on the Bay of Bengal and Mahe on the Arabian Sea. Pondicherry and Karaikal are enclaves of Tamil Nadu. Yanam and Mahe are enclaves of Andhra Pradesh and Kerala respectively.