Chandrayaan-4 will have 5 modules, need multiple dockings; work on Lupex Marches on

India's planned Chandrayaan-4 mission aims to collect lunar samples and return them to Earth, requiring two separate launches due to its 9,200kg mass. Chennaiyan -5, also known as Lupex, is a joint mission with Japan featuring a heavier lander and sophisticated payloads contributed by India, Japan, USA, and Europe.