its not gangayan its GAGANYAN. Kalpana chawla is an american astronaut with indian descent. she is considered as american ,not indian.
in video u said indian.indian and indian descent are different terms.
ബഹിരാകാശയാത്ര നടത്തിയ ആദ്യ ഇന്ത്യൻ വംശജ ആണ് കല്പന ചൗള