Guwahati is the main commercial hub of Assam and is well-connected by:

National Highways only
Railways only
Both National Highways & Railways
All of the above

The correct answer is: c) Both National Highways & Railways.

Guwahati is the main commercial hub of Assam and is well-connected by both National Highways and Railways. It is located on the banks of the Brahmaputra River and is the gateway to the Northeast. The city is well-connected to other parts of India by air, rail, and road. The Guwahati International Airport is the main airport in the state and is connected to major cities in India and abroad. The city is also well-connected by rail to other parts of India. The Guwahati Railway Station is one of the busiest railway stations in the Northeast. The city is also well-connected by road to other parts of India. The National Highway 37 and the National Highway 52 are the two major highways that connect Guwahati to other parts of India.

Here is a brief explanation of each option:

  • Option a) National Highways only: This option is incorrect because Guwahati is also well-connected by railways.
  • Option b) Railways only: This option is incorrect because Guwahati is also well-connected by national highways.
  • Option c) Both National Highways & Railways: This option is correct because Guwahati is well-connected by both national highways and railways.
  • Option d) All of the above: This option is correct because Guwahati is well-connected by all modes of transport, including air, rail, and road.