Lockdown(noun)
Meaning: An official order to control the movement of people or vehicles because of a dangerous situation.
Hindi meaning:रोक
Synonyms: Limitation, Confinement, Restraint, Constraint
Antonyms: Freedom, Liberty, Emancipation, Independence
Example: The campus was placed on lockdown shortly after the shootings were reported, and Monday's classes were cancelled.
Trick to remember: Protest ke bad classes ko lock laga kar lockdown kar diya 
