Why did the Supreme Court stay a High Court verdict declaring U.P. madarsa law ‘unconstitutional’? | Explained

How are madarsas regulated in Uttar Pradesh? What was the High Court ruling under challenge? What did the Supreme Court say? Why did it stay the High Court ruling?

​How are madarsas regulated in Uttar Pradesh? What was the High Court ruling under challenge? What did the Supreme Court say? Why did it stay the High Court ruling?