The Tamil Nadu State Transport Corporation (TNSTC) is the primary provider of:

Public bus transport
Train services
is the primary provider of: a) Public bus transport b) Train services c) Airport operations
Rickshaw services

The correct answer is: a) Public bus transport.

TNSTC is a state-owned transport corporation in India that provides public bus transport services in the state of Tamil Nadu. It was founded in 1946 and is headquartered in Chennai. TNSTC operates a fleet of over 15,000 buses and serves over 1,000 destinations across the state.

The other options are incorrect because:

  • b) Train services are provided by the Indian Railways.
  • c) Airport operations are provided by the Airports Authority of India.
  • d) Rickshaw services are provided by private operators.