The Vijayanagar Empire was the most powerful Empire in India in the 15th century and early 16th centuryThe thread was talking from 11th century onwards.The Rashtrakutas were probably the most powerful empire in india at that time. For some peculiar reason the north Indians do not appreciate the greatness of south Indian history.
Vijaynagar was not the most powerful empire in "India" but it surely was wealthy and powerful in the deccan peninsula.
The Marathas were not a dynasty but a confederacy. Shivaji's descendents did not rule the Marathas empire, his son Sambhaji was killed and their was no dynasty as such after that. It was the Maratha Peshwas who build the Maratha empire. They had the largest "Hindu" empire in medieval history.
before the arrival of the Mughals which is confimred by foreign travelers.
At that time north India was divided into several Kingdoms and the Vijayanagar Empire defeated
the Bahmani Sultanate and the Kingdom of Kalinga.
The Italian traveler Niccolo de Conti called the ruler of the Vijayanagar Empire the most powerful Emperor
of India in the 15th century.
Even Babur called the Vijayanagar Empire the most powerful force of India in the early 16th century.