Amateur historian Thomas Lessman, who has been researching world history for over 20 years, has created a series of maps of India showing these shifts from 1 AD till the rule of the Delhi Sultanate.

Previously, NCERT had trimmed sections on the Mughals and Delhi Sultanate during its syllabus rationalisation drive in 2022-23, cutting detailed accounts of the Tughlaqs, Khaljis, Mamluks, Lodis ...