After NCERT Class 7 book replaced the chapter on Mughals with the Magadha empire, R Madhavan revealed that his history school book had eight chapters on Mughals and just one chapter on southern kingdoms. "British and...Mughals ruled us for close to 800 years, but...Chola empire is 2,400 years old," Madhavan added. "Where is that part of our history?" he stated.