Waiver(noun)
The act or an instance of relinquishing a claim or right.
Hindi meaning:छूट-पत्र
Synonyms: Renunciation, Disclaimer, Relinquishment, Disavowal
Antonyms: Sanction, Approval, Allowance
Example: The college got a special waiver from the town to exceed the building height limit.
Trick to remember: Ve logo ko Waiver chahiye. 
