The correct option is D All the above
Dhanyakataka, Masolian and Vijayapuri were famous ports in the Eastern Coast. Dhanyakataka is situated on the right bank of the river Krishna. Among the Indo- Roman trading centre on the east coast of India Dhanyakataka stands next to Arikamedu. Vijayapuri is an ancient port in Andhra pradesh now that port is known as Nagarjunakonda.