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SB 3.33.31
tad virasit punyatamam
ksetram trailokya-visrutam
namna siddha-padam yatra
sa samsiddhim upeyusi
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
The place where Devahuti achieved her perfection, my dear Vidura, is understood to be a most sacred spot. It is known all over the three worlds as Siddhapada.