There are a few fascinating notable exceptions. Israel and Egypt in particular support and sponsor archeology - probably for some similar and some diverging reasons.
India had all the potential to do the same, considering it is home to at-least half dozen civilizaltions; but extremist ideologies is a vote winner.
When the current ruling party came into power, they tried to undermine Taj mahal by removing its name from the tourism list[0]!
[0]: https://www.independent.co.uk/travel/news-and-advice/taj-mah...