ISRO chairman V Narayanan on Sunday said that the Centre has accorded its approval for the ambitious Chandrayaan-5 mission to study the Moon, ISRO Chairman V Narayanan said on Sunday. Narayanan said that unlike the Chandrayaan-3 mission which carried the 25-kg rover 'Prayagyaan', the Chandrayaan-5 mission would carry a 250 kg rover to study the Moon's surface.