Correct option is A
The correct answer is (a) Two.
· PSLV-C42 was a mission by the Indian Space Research Organisation (ISRO) launched on 16 September 2018.
· It carried two Earth observation satellites from the United Kingdom named NovaSAR and S1-4.
· These satellites were designed for remote sensing, focusing on forest mapping, land use, and disaster management.
· The launch demonstrated ISRO's capability to deliver commercial satellite launch services for other countries.