Bhubaneswar, May 21 -- Indian Space Research Organisation's (ISRO) Chairman, V Narayanan said on Wednesday that despite the setback faced in the PSLV-C61/EOS-09 mission, 2025 is still a landmark year for the organisation with Chandrayaan-4, Chandrayaan-5 and three unscrewed missions planned along with preparations underway for the country's first human spaceflight by 2027, known as the 'Gaganyaan' programme.

According to the ISRO chief, the PSLV-C61 mission faced a setback during the third stage of the launch due to a drop in the chamber pressure, which subsequently impacted the fourth stage. He said that a national-level committee has been made to investigate the cause of the pressure drop.

"The PSLV-c61 mission faced a setback during ...