What does Public utility service means in the context of Lok Adalat?

Transport service for the carriage of passengers of goods by air, road or water Postal, telegraph or telephone service Supply of power, light or water to the public by any establishment All of these

All of these

"Public utility service" means any- 1) Transport service for the carriage of passengers of goods by air, road or water; or 2) Postal, telegraph or telephone service; or 3) Supply of power, light or water to the public by any establishment; or 4) System of public conservancy or sanitations; or 5) Service in hospital or dispensary; or 6) Insurance service