The Battle of Ravi was the fourth and last attempt by the Mongol forces of Chagatai Khanate to invade India by crossing the Indus River and advancing towards Ravi river. It was led by Mongol commander Kapak (Kubak). They were defeated by the Delhi Sultanate under Alauddin Khilji. the Delhi army was led by Malik Kafur and Ghazi Malik. Subsequently the forces of Khilji launched a punitive expedition against Mongol controlled territory in Afghanistan.
Aftermath
After the successful campaign Khilji reorganized his military by strengthening the various fortresses lying on the northern border. He established a powerful standing army or Mustaqim consisting of 400.000 horsemen, divided into Murattab, heavy cavalry, and Duaspa, less-armored cavalry.
References
Battle of Ravi Wikipedia(Text) CC BY-SA