In the beginning, yagas were conducted in large groups for the entire people. But from 1000 to 500 BC, yagas were conducted privately by householders for the prosperity of their family or.clan. But great yagas like Rajasuyam and Ashwamedhom were conducted only by kings and chiefs.
1. The yagas and rituals lost their earlier simplicity and purity. They became more noisy, showy, expensive and even violent. Such yagas were unaordable by, ordinary people.
2. With the increase in the yagas and rituals, the importance and prestige of Brahmins began to increase. Things like yagas became the monopoly of Brahmins. They misused their position to exploit people.