[4] It is planned to return up to 3 kg (6.6 lb) of lunar regolith from near Shiv Shakti point, the landing site of Chandrayaan-3.

[5] The plan for a lunar sample return mission was revealed by the director of Space Application Centre (SAC), Nilesh M Desai on 17 November, 2023 during the 62nd foundation ceremony of Indian Institute of Tropical Meteorology (IITM) in Pune.

[6] This was confirmed by S. Somanath, the chairman of ISRO during the National Space Science Symposium held in Goa on 26 February 2024.

[13] On 18 September 2024, Chandrayaan-4 received approval from The Union Cabinet, chaired by Prime Minister Narendra Modi for ₹2,104.06 crore (US$240 million) and is expected to be completed within 36 months.

The mission is designed to land on the lunar surface, collect samples, store them in a vacuum container, and bring them back.

In addition, a drilling mechanism will collect sub-surface samples and transfer them to another container to the Ascent Module.