Some of the causes of Ibrahim Lodhi’s defeat in First Battle of Panipat were: 1. Babur used Artillery in the battle and Indian soldiers were not familiar with the use of artillery.2. The army of Babur was better disciplined and fully trained and well equipped.3. The country was divided into petty states and small principalities.
After the death of Achyuta Deva Raya, the succession was disputed. His son, Venkata I also called as Venkata Raya or Venkatadri Raya, succeeded him, but he was a weak ruler and was killed six months later.
Khwaja Abu Malik Isami is the author of Futuh-al-Salatin is yet another elaborate account of the Delhi Sultanate. It consists of almost 12,000 verses. The Futuh-us-Salatin is a history of Muslim rule in India until 1349-50.