During the Satavahana period, the Amaravati School of art made a deep impact on the sculptural and architectural forms of Kanaganahalli region.

This was indeed a period of great artistic efflorescence that gave the Maha chaitya here the most impressive form unsurpassed in the history of stupa architecture in the south India.

The mastery of the artist of Kanganhalli in carving the geometric patterns, floral motifs, dress and ornamentation of the contemporary times and the concept of composition of the subject matter in the large sculptured panels.

Unlike the torana of Sanchi, Madhya Pradesh, portrait of emperor Ashoka is said to have depicted there in inscription found at Kanaganahalli.

At Kanganhalli up to the anda portion of the stupa is available, although majority of the architectural members and the sculptural panels are dislodged from the original position.