The state or quality of being unchangeable.

A characteristic of a situation or condition that cannot be modified.

स्थिति की अपरिवर्तनीयता

English Usage: The unalterability of the circumstances led to their eventual failure.

Hindi Usage: परिस्थितियों की अपरिवर्तनीयता ने उनकी अंतिम विफलता का कारण बनी।