var na ) ▁came ▁to ▁this ▁place ▁to ▁do ▁under go ▁a ▁tap as ya ▁to ▁become ▁" the ▁king ▁of ▁all ▁k ings " ▁with ▁the ▁help ▁of ▁god ▁V ish nu . ▁S ens ing ▁the ▁mot ive ▁of ▁the ▁Pra ch et as , ▁S iva ▁emer ged ▁from ▁the ▁sacred ▁tank ▁and ▁revealed ▁to ▁them ▁the ▁" R ud rag it am ", ▁a ▁h ymn ▁in ▁pra ise ▁of ▁V ish nu . ▁S iva ▁suggested ▁them ▁to ▁chant ▁the ▁h ymn ▁with ▁all ▁their ▁heart ▁to ▁get ▁their ▁wishes ▁ful filled . ▁The ▁princes ▁won ▁the ▁favour ▁of ▁V ish nu ▁after ▁rig orous ▁tap as ya ▁for ▁ 1 0 , 0 0 0 ▁years ▁on ▁the ▁banks ▁of ▁the ▁tank ▁after ▁bath ing ▁on ▁it ▁by ▁chant ing ▁the ▁h ym ns . ▁ ▁St ories ▁of ▁popular ▁dev ote es ▁▁ ▁Mel path ur ▁Nar ay ana ▁Bh att ath iri ▁( 1 5 6 0 - 1 6 4 6 / 1 6 6 6 ): ▁A ▁great ▁S ansk rit ▁scholar , ▁and ▁a ▁dev ote e ▁of ▁Lord ▁G ur uv ay ur app an , ▁who ▁is ▁well ▁known ▁for ▁his ▁mag num ▁op us ▁Nar ay ane ey am . ▁Born ▁in ▁a ▁dev out ▁Ker ala ▁Bra h min ▁family ▁in ▁Ch and an ak k av u ▁near ▁Th ir un av aya ▁in ▁the ▁present - day ▁Mal app ur am ▁district ▁in ▁ 1 5