India's first manned space mission

• Four astronauts - Prashant Nair, Angad Pratap, Ajit Krishnan and Shubhanshu Shukla have been named for India's first manned space mission.

• Prime Minister Narendra Modi revealed the names of four astronauts for the Gaganyaan mission.

• The astronauts completed a one-year training course in the Russian city of Zvezdny Gorodok.

• Gaganyaan mission is India's first human space flight programme.

• Under the Gaganyaan project, crew members will be sent to a 400 km orbit for a three-day mission.

• ISRO has set up an Astronaut Training Facility in Bengaluru to train astronauts for manned missions.