The correct answer is: b) State government corporations.
Public bus transport in Arunachal Pradesh is primarily operated by the Arunachal Pradesh State Road Transport Corporation (APSRTC). The APSRTC is a state government corporation that was established in 1973. It is responsible for providing public bus transport services in the state. The APSRTC has a fleet of over 1,000 buses and operates over 100 routes. It provides services to all parts of the state, including the remotest areas. The APSRTC is a major employer in the state and provides employment to over 5,000 people. It is a vital part of the state’s transportation system and plays a key role in the economic development of the state.
Option a) is incorrect because private companies do not play a major role in public bus transport in Arunachal Pradesh. The APSRTC is the only major public bus operator in the state.
Option c) is incorrect because both private and public entities do not play a major role in public bus transport in Arunachal Pradesh. The APSRTC is the only major public bus operator in the state.
Option d) is incorrect because unorganized local services do not play a major role in public bus transport in Arunachal Pradesh. The APSRTC is the only major public bus operator in the state.