Ans. The poet is religious minded. He observed the half-cooked limbs which made him think of the immoral behaviour of the fire. It was against the beliefs of the Parsi community. It was a sin so the poet took oath to save the fire from the sin of forgetfulness.
The poet sent his child to the flames. It was a sin. So he made up his mind to save it from the sin of forgiving. Thus he swore twice to save the fire from two different sins.
