In episode 91, Raktabija's background is revealed. He was once a powerful demon who received a boon from Lord Brahma.
In episode 72, Lord Kartikeya is introduced as the son of Lord Shiva and Parvati. Lord Kartikeya is determined to defeat Tarakasura. Devon Ke Dev Mahadev - Episodes 51-100 - Hindi -
In episode 70, the battle between Lord Shiva and Tarakasura begins. Lord Shiva uses his powerful third eye to defeat Tarakasura. In episode 91, Raktabija's background is revealed
In episode 95, Lord Shiva and Parvati use their combined powers to defeat Raktabija. In episode 91