Option c is the correct answer The various passages of Rig Veda refers cow as Aghanya or 'the one who does not deserve to be killed. The Rig Veda further addresses the cow as Mother of Rudras, the Daughter of Vasus, the sister of the Adityas and the Centre of Nectar. Important Tips Rig vedic terms: Agnyadheya - ceremony which preceded the public rituals in Vedic Era. Gavishti - a fight for cows. Gotra - A kinship unit Hiranyakara - Goldsmith Rathakara - Chariot maker Sira - Plough Sita - Furrows