This post explains that the word 'minority' in Article 30 of the Constitution envisages electoral minority and not numerical minority.
Introduction।। Points Involved in the Case।। Institution Should Be Established and Administered।। AMU Established by the Principal Act।। AMU Not Administered by Minority।। Legislature Can Not Reverse Decision।। Article 30 - Electoral And Not Numerical Minority।। Bourbaki & Zero।।