Avanti was one of the most important and powerful states of ancient India. It consisted of modern Malva, Nilmar and some parts of Madhya Pradesh
. The capital of Avanti was Ujjain
. During Buddha's life time, it was ruled by Pradyota, a very cruel ruler who later came under the influence of Buddhism
. Lord Buddha
made Avanti, the center of his activities. After the time of Pradyota, Avanti saw a fall and the last ruler was Nandiverdhana. He was defeated by Saisunaga, in the 4th century, and the kingdom was annexed to the Magadha Empire.