The condition in which something is not crucial for a particular outcome.

आवश्यक न होना

English Usage: Their dispensability in the project was evident when their tasks were reassigned.

Hindi Usage: जब उनकी जिम्मेदारियाँ पुनः आवंटित की गईं, तो परियोजन में उनकी आवश्यक न होना स्पष्ट था।