A work stoppage undertaken by employees to protest against working conditions or policies deemed unfair or illegal.

A strike that is not authorized by law or official union regulations.

अवैध स्ट्राइक

English Usage: The company took legal action against employees who participated in the illegal strike.

Hindi Usage: कंपनी ने अवैध हड़ताल में भाग लेने वाले कर्मचारियों के खिलाफ कानूनी कार्रवाई की।