This is in the context of a labor dispute. This is a tactic known as "gherao" or a Lock-in (vs a Lock-out) https://en.wikipedia.org/wiki/Lockout_%28industry%29#

This is in the context of a labor dispute. This is a tactic known as "gherao" or a Lock-in (vs a Lock-out) https://en.wikipedia.org/wiki/Lockout_%28industry%29#Lock-in https://en.wikipedia.org/wiki/Lockout_%28industry%29#Lock-in