Complex sentence: The international Kalachakra festival was celebrated in the presence of Dalai Lama in Amaravati, the capital of imperial Satavahanas who held sway over South India for 400 years and a great seat of Buddhist learning and wisdom.
Split into simpler sentences: The international Kalachakra festival was celebrated in the presence of Dalai Lama in Amaravati. Amaravati was the capital of the imperial Satavahanas who held sway over South India for 400 years and also a great seat of Buddhist learning and wisdom.