Question

why did king Bhagiratha choose to do penance​

Answer 1

Answer

He did penance for a thousand years (according to god timeline) on the advice of his guru Trithala, to please Ganga, to gain the release his 60,000 great-uncles from the curse of saint Kapila. Ganga told him if she will descend from the sky to the earth, the force of her fall will be difficult to sustain.

Answer 2

Answer:

He did penance for a thousand years on the advice of his guru Trithala, to please Ganga, to gain the release his 60,000 great-uncles from the curse of saint Kapila. Ganga told him if she will descend from the sky to the earth, the force of her fall will be difficult to sustain.