At any rate, if the name must be restored to its original form, why not go the whole hog and return to the name given to the capital by its founder Yudhishthira hero of the Mahabharata, probably ca. 1500 BC), viz. "Indraprastha"? That is what the Hindu-nationalist party Jan Sangh used to promise decades ago, and likewise "Karnavati" for Gujarat's metropolis Ahmedabad. And promises should be kept.

So they shifted to the thesis of a subtle infiltration under the archaeological radar, yet revolutionary in its impact: unlike the Scythians, Greeks, Huns or Kushanas, these intruders succeeded in not just conserving their language and religion, but imposing both on the far more numerous natives.... Most of India was not a colony yet, and the heyday of racial thought contaminating “Aryan” studies had yet to arrive... Thus, in the Rg-Vedic description of the Battle of the Ten Kings, it was commonly pretended that the enemies were “black aboriginals”. In reality, the names of the kings and of their tribes (most notably Dâsa, Dasyu) are recognizably Iranian, and their characterization as “the black tribe” is a mistranslation. The word Asiknī does not refer to a skin colour, but to the area they come from, the basin of “the Black River”, the Vedic name of the Chenab... Today, the AIT camp is a happy valley protected from the rising waters of counter-evidence by a protective dam. But the waters keep rising, and the time can't be far off when the waters will overcome the dam and drastically impact the cosy life in the valley.

I may also add that in Christian cosmology, this central fire reappears as the centrality of hell within the planet standing in the centre of the geocentric universe. Theologians had a conscience problem here, for situating hell-fire underground amounted to putting Satan in the centre of the universe. You have to pay Satan his due, but this was just too much honour.