The god whose worship had not gained ground in the Rigvedic period was

Solution (By Examveda Team)

The god whose worship had not gained ground in the Rlgvedic period was lord shiva. Indra, a heroic god, slayer of Vritra and destroyer of the Vala, liberator of the cows and the rivers; Agni the sacrificial fire and messenger of the gods; and Soma, the ritual drink dedicated to Indra, are the most prominent deities.