BENGALURU: Isro chairman K Sivan on Wednesday said that 2020 will be a year of Chandrayaan-3 and Gaganyaan (human spaceflight mission).The TOI was first to report on November 14 that the space agency has begun work on Chandrayaan-3 and later also broke the story on the new project director."Chandrayaan-3 will have a lander, rover and a propulsion module. The government has approved the project and we have formed the project team. Work is going on smoothly," Sivan said.Stating that a lot of design work has been completed for Gaganyaan, Sivan said: "There will be several tests that we'll do this year. Also, the final four astronaut-elects have been selected and they'll begin training in Russia from third week of January."He further said that the first unmanned flight of Ganaganyaan is also targeted for this year. He allayed fears that these big ticket projects will hamper other missions, Sivan said: "We are looking at more than 25 missions this year."