Varun, this is typical Delhi. Delhi is littered with such peices, for which we have scant regard. The fine work read on this entire peice, may not be worth much, because we have plenty of it in other places, but still it might be worth saving by the archaelogical survey of India. Is the goumbad cemented later or is it original??
Not sure if any conservation work has taken place on these structures. It's always hard to say without a closer look. Seeing how similar "minor" structures are treated around Delhi, there's little chance of these ones getting any attention. I am planning to go back to the site sometime and taking a "now" photo though.
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