Catastrophe between Rishi Jamadhagni and Sun God

One fine morning Renuka and Jamadhagni travelling along the banks of Kamandalu river. Suddenly a desire of copulation raised in Jamadhagni and thought to have in open area as it is barren place and no one could see.

But Jamadhagni forgot the tradition that such act in presence of sun is a sin. Jamadhagni urged Renuka to walk fast but due to severe heat of sun she could not walk on sand.

Saint got angry and asked Renuka for the reason and she replied the same. Then saint became furious and called cursed the sun god to loose his glory and become a diminished star.

Sun reminded saint about the sin he committed and cursed the saint that he will be killed by a King. Then saint Naradha came and pacified both of them and mitigated their curses that Sun will be attacked by Rahu and Ketu once in a year and loose his glory and king will be eventually killed by a king but his son would protect him. Sun also blesses Umbrella or Chathra and Chappal or Padhuka to mankind to protect them from his intense heat during summer (the first umbrella and Padhuka to mankind).

After that Renuka and Saint were living happily in a hermitage near Kundalipuram of current Tamilnadu. Renuka gave birth to five sons namely Vasu, Viswa Vasu, Brihudyanu, Brutwakanwa and Ramabhadra. Younger son Ramabhadra is an incarnation of Lord MahaVishnu who later came to known as ParashuRama. Parashuram was a powerful victor who mastered all the sciences. He did immense penance for Lord Shiva and acquired Maha Parashu an Axe. Then onwards he is called as ParashuRam.

Renuka daily used to fetch water from a river nearby and that water is used for holy rituals. By her devotion towards her husband and her idealness Renuka was capable of making pots out of dry sand. She daily makes a fresh pot with sand at river bed and used to carry it on her head by balancing with a black cobra.