Praacheen kaal mein raaja Mandhata atyant dharmaatma, daanveer aur prajaa-vatsal the. Apne raaj-paat ke saath-saath ve tap aur bhakti mein bhi leen rehte the. Ek baar vairaagya-bhaav se ve ghor van mein jaakar kathor tapasya karne lage, kewal Bhagwan Vishnu ka dhyaan karte hue.
Ek din jab raaja dhyaan-magn the, tabhi ek vishaal jangli reechh (bhalu) vahaan aa gaya aur usne raaja ka pair munh mein dabakar kheenchna shuru kar diya. Reechh raaja ko ghaseet-ghaseet kar ghane van ki ore le jaane laga. Tapasya mein leen raaja ne dhairya na khoya — peeda aur sankat ke is kshan mein unhone poore man se Bhagwan Vishnu ko pukaara — "He Madhusudan, raksha keejiye!"
Bhakt ki aarta-pukaar sunkar Bhagwan Vishnu turant Sudarshan-chakra dhaaran kiye prakat hue. Unhone reechh ka sanhaar kar diya, par tab tak raaja ka ek pair (paair ka kuch ang) reechh dwaara ksht-vikshat ho chuka tha. Raaja apne is ang-bhang aur saubhaagya-haani se dukhi ho uthhe.
Bhagwan Vishnu ne kaha — "He raajan, dukhi na ho. Yeh tumhaare poorv janm ke kisi karm ka phal tha. Tum Mathura jaakar Vaishakha maas ke Krishna paksha ki Varuthini Ekadashi ka vrat karo aur mere Varah-roop ki pooja karo; isse tumhaara ang aur saubhaagya phir se poora ho jaayega." Raaja ne vidhi-poorvak yeh vrat kiya aur Bhagwan ki kripa se woh phir se nirog, surakshit aur saubhaagyashaali ho gaya.
Seekh: Varuthini Ekadashi (varutha arthaat kavach/raksha) sikhaati hai ki sankat ke samay sachhi prarthana aur vrat hamein bhay se ubaarte hain, is lok mein suraksha aur paralok mein sukh dilaate hain.