New Delhi, July 3 -- Japan and India announced a series of agreements to deepen cooperation in defense, economic and maritime security following talks Thursday between Indian Prime Minister Narendra Modi and Japanese counterpart, Sanae Takaichi.

Speaking after the meeting in New Delhi, Modi said India and Japan will collaborate on naval radio antenna systems, and adopted a joint road map on economic security. He said the leaders also agreed to strengthen cooperation in artificial intelligence, shipbuilding, biogas, semiconductors and critical technologies.

"India and Japan view economic security as a shared security interest," he said.

Japan is among India's largest foreign investors and has backed major infrastructure projects, includ...