What does it say about a country when a large number of its people don't want to maintain its most famous monument because it happens to have been built by a king of the minority religion?
What about other monuments - should the maintenance of India Gate be left to private Christian groups?
> hindus found out its history which was suppressed by marxists and are not likely to keep paying for it
What was this history? I hope you are not referring to something like https://www.booksfact.com/archeology/taj-mahal-original-name... a theory being pushed by charlatan historians, and eagerly lapped up by internet hindus who suffer from a deep insecurity that India's most famous monument happens to be a "Muslim" monument.
same for the european colonial loot and plunder
christians didnt even apologize for goa inquisition
my opinion this should be left to private muslim groups who might be interested in its preservation
hindus found out its history which was suppressed by marxists and are not likely to keep paying for it
cultural death by tourists of the kind seen in japan nowadays is not desirable either