PSLV-C50 injects communication satellite CMS-01 into orbit December 17, 2020 Indian Space Research Organisation (ISRO) launches Polar Satellite Launch Vehicle (PSLV) C-50 carrying CMS-01 communication satellite from the second launch pad at Satish Dhawan Space Centre (SDSC), in Sriharikota, Thursday, Dec. 17, 2020. - PTI Indian Space Research Organisation (ISRO) launches Polar Satellite Launch Vehicle (PSLV) C-50 carrying CMS-01 communication satellite from the second launch pad at Satish Dhawan Space Centre (SDSC), in Sriharikota, Thursday, Dec. 17, 2020. - PTI× This was only the second lift-off by the PSLV this year The Indian Space Research Organisation (ISRO) ended 2020 on a high note with its workhorse - the Polar Satellite Launch Vehicle (PSLV) - successfully placing the communication satellite - CMS-01 - in orbit.