Chennai, Dec. 29 -- Aiming to end 2024 on a high, the 25-hour Countdown for Indian Space Research Organisation (ISRO)'s twin record mission--one on first ever space docking technology --docking and undocking series involving two Spadex satellites--and the other on 24 innovative scientific experiments as part of POEM-4 involving the fourth Stage of PSLV, onboard the PSLV-C60 launch vehicle, began at SDSC, SHAR Range, on Sunday night.

The commencement of the countdown at 2058 hrs was confirmed to UNI tonight.

The PSLV-C60 Spadex Mission, carrying two payloads Spadex-A and Spadex-B, both weighing 220 kg each, will lift off from the First Launch Pad at the spaceport of Sriharikota at 2158 hrs on Monday night.

This mission would enhance...