Set off(phrasal verb)
(To start a journey, or to start going in a particular direction/ to cause something to operate, especially by accident/ to make something explode)
Hindi meaning:चल पड़ना
Synonyms: Start, Begin, Initiate
Antonyms: Finish, End, Stop
Example: The President's envoy set off on another diplomatic trip.
Trick to remember: Set kro guard aur set off kro. 
