Iqta was introduced by Delhi sultan Iltutmish while Jagir was introduced by Mughals . Under Iqta system , the land of the empire was divided into several large and small tracts called Iqta and assigned these Iqta to his soldiers , officers and nobles.
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.
Muhammad Qazim was appointed Munshi by Aurangzeb in the first year of his reign and was later on commissioned by the emperor to complete the annals of his reign. After the eleventh year, up to which point Muhammad Qazim recorded his history, Aurangzeb forbade its continuation. On the manuscript being shown to Aurangzeb, he withdrew his permission for the preparation of this official history. Alamgirnama is a good detailed history of the first ten years of Aurangzeb’s reign from 1658 to 1668.
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.
Iitutmish , the Sultan of Delhi, was contemporary of Mongol leader Chengiz Khan. In 1221 A.D., there was a danger of expected attack of Chengiz khan on Delhi.