Ganga Kaveri Express
The 12669/12670 Ganga Kaveri Express is a bi-weekly Express train operated by Indian Railways, connecting Chennai in Southern India to Chhapra in Bihar via Vijayawada and Varanasi. == Overview == Started on 16 February 1977 by Kamalpati Tripathi, originally running between Madras (now Chennai) and Varanasi, terminating at Chennai Beach Station.