Alauddin Kalji introduced an innovative Chehra and Dagh System wherein the Chehra system involved the detailed description of each soldier and Dagh system involved branding of horses. Strict review of the army from time totime was carried out.
Battle of Chausa was fought near Buxar. Humayun was badly defeated and Sher Khan adopted the title of Sher Shah. Humayun barely escaped with his life from the battle field.
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.
Abul Fazl who was one of the courtiers who were collectively known as Akbar’s Navratnas (or nine jewels). He wrote Ain-i-Akbari and Akbar Nama. He Lead the Mughal imperial army in its wars in Deccan but was murdered by Bir Singh Bundela.