Home / Companies / Indian Space Research Organisation (ISRO) / APXS on Pragyan (PRL) Hardware APXS on Pragyan (PRL) PRL / ISRO APXS is the Physical Research Laboratory's alpha particle X-ray spectrometer. CompaniesIndian Space Research Organisation (ISRO)OEM FlightsChandrayaan-32023-07-14 · ISRO national soft-landing mission near lunar south polar highlands. Jobs APXS on Pragyan (PRL)Indian Space Research Organisation (ISRO) Cargo Alpha Particle X-ray Spectrometer Sourcesisro.gov.inisro.gov.inprl.res.in