Dr. Saku Tsuneta, Vice-Chair of Japan’s Cabinet Committee on National Space Policy (CNSP) and Director General, National Astronomical Observatory of Japan (NAOJ) visited ISRO Headquarters on August 08, 2023 and had a meeting with Shri S. Somanath, Chairman, Indian Space Research Organisation (ISRO) / Secretary, Department of Space (DOS). India-Japan space science cooperation at national level, Space Agency level (ISRO & JAXA) and institutes-level were discussed with specific reference to the proposed Joint LUPEX (Lunar Polar Exploration) Mission. Potential cooperation opportunities in: i) Utilisation of data from Adithya L1 and Chandrayaan-3 missions; ii) Development of smaller lander for lunar exploration; and iii) Joint activities under QUAD Space working group were also discussed.