Images: Columbia Anniversary
On the first anniversary of the Columbia disaster, rediff.com pays tributes to the astronauts.
'Kalpana is still alive'
Ehtasham Khan discovers that the astronaut is a role model for many IIT students.
Inspiration for an entire generation
Kalpana continues to inspire students all across the world.
Lessons from KC: Dream big
'Kalpana belonged to the universe'
Kalpana Chawla remembered
Find out what you know about Kalpana.