Late on Thursday, Isro said that the Instrument for the Lunar Seismic Activity (ILSA) on Chandrayaan-3 lander (Vikram) — the first Micro Electro Mechanical Systems (MEMS) technology-based instrument on the moon — has recorded the movements of Pragyan (rover) and other payloads.Developed by Laboratory for Electro-Optics Systems (LEOS) in Bengaluru, ILSA comprises a cluster of six high-sensitivity accelerometers, which are indigenously fabricated using the Silicon Micromachining process.