Required
1. Required, Needed, Needful, Requisite : ضروری - مطلوبہ : Necessary for relief or supply.
Provided them with all things needful.
Necessary - absolutely essential.
2. Required, Compulsory, Mandatory : لازمی : Required by rule.
In most schools physical education is compulsory.
Attendance is mandatory.+ More
Obligatory - morally or legally constraining or binding.
Essential, Necessary, Necessity, Requirement, Requisite - ضرورت - anything indispensable; "food and shelter are necessities of life".
Alleviation, Easement, Easing, Relief - آرام - the act of reducing something unpleasant (as pain or annoyance); "he asked the nurse for relief from the constant pain".
Compulsory, Mandatory, Required - لازمی - required by rule; "in most schools physical education is compulsory".
Convention, Formula, Normal, Pattern, Rule - روایت - something regarded as a normative example; "the convention of not naming the main character".
Provision, Supply, Supplying - فراہمی - the activity of supplying or providing something.