Growth of Muslim Population in Medieval India (1000-1800) is a book written by K. S. Lal published in 1973. The book attempts to assess the demographics of India between 1000 CE and 1500 CE. Lal clarified he "claim no finality" regarding the estimates he provided in the book. He added that "any study of the population of the pre-census times can be based only on estimates, and estimates by their very nature tend to be tentative". He estimated that about 60 to 80 million people died in India between 1000 and 1525 as a result of the Islamic invasion of Indian subcontinent. He concluded that about 2 million people died during Mahmud of Ghazni's invasions of India alone.The book's conclusions were disputed by several scholars. The book was praised by Koenraad Elst, and the Rashtriya Swayamsevak Sangh. Source: Wikipedia (en)