 However, Zia Uddin Barni in his 'Tareekh-e- Firozshahi' (written about 150 years after the death of Shams Uddin Iltitmish) still uses the name of the place as 'Khor Nagar' when describing an unusual incident which occurred in the Ganges here.During Delhi's Sultanant period (1202-1526), Shamsabad was quite an important place, being the subedari-provincial-capital.A road from the east to Delhi went through it.