an instance that does not conform to a rule or generalization

exemption from a rule or requirement

नियम या आवश्यकता से छूट

English Usage: She received an exception to the deadline submission policy.

Hindi Usage: उसे समयसीमा जमा नीति से छूट मिली।

to make an exception (generally used in its participle form)

एक अपवाद बनाना

English Usage: They decided to exception certain cases from the policy.

Hindi Usage: उन्होंने नीति से कुछ मामलों को अपवाद बनाने का निर्णय लिया।