Chennai-the Andaman & Nicobar Islands (A&N Islands) submarine cable system includes a segment with repeaters from Chennai to Port Blair and seven segments without repeaters between the islands of Havelock, Little Andaman (Hutbay), Car Nicobar, Kamorta, the Great Nicobar Islands, Long Island and Rangat. The total cable length will be approximately 2,300km and carry 100Gb/s optical waves.

The Chennai-A&N Island submarine cable system is invested by Bharat Sanchar Nigam Limited (BSNL),and supplied by NEC. BSNL is a state-owned telecom operator in India. It's reported that the government of India spent $175 million on the 2300km Chennai-A&N Island submarine cable system.

On August 10, 2020, Indian Prime Minister Narendra Modi launched the Chennai-A&N Island submarine cable between Chennai and Port Blair via video conferencing. The Chennai-A&N Island submarine cable system will deliver bandwidth of 2 x 200 Gbps between Chennai and Port Blair, and 2 x 100 Gbps between Port Blair and the other islands of Andaman and Nicobar Islands chain.