India's First ever Underwater Sea Tunnel in Mumbai | FactStar

Name India's first cosmonaut.

India's first atomic power station is

India's first lunar probe was called:

India's first ever gold medal at the Youth Olympics was won by

In which of the following states is India's first railway station inside tunnel named Keylong station to be built ?

India's first ever gold medal at the Youth Olympics was won by Jeremy Lalrinnunga. He contested in which event?