Line 6 (Orange Line) is a rapid transit metro line of the Kolkata Metro in Kolkata, West Bengal, India. It will connect New Garia with Netaji Subhas Chandra Bose International Airport via two major satellite towns of Kolkata metropolitan region, Salt Lake and New Town. It currently operates between Kavi Subhash and Hemanta Mukhopadhyay. This line will be one of the most important stretches of Kolkata Metro because it will connect the southern and the eastern parts of the city with Kolkata Airport. The total distance of this route will be 29.87 km (18.56 mi). It connects Line 1 at Kavi Subhash and will eventually connect Line 2 at Sector-V and Kaikhali and Line 4 at Airport.