1. Mahmud Ghazni invaded India to 17 times its wealth.
2. Muhammad Ghori defeated Prithviraj in the second battle of Tarain.
3. Alberuni, spent 10 years in India and wrote a book Kitab- ul-Hind.
4. Firdausi wrote a famous epic named Shahnama.
5. Mahmud Ghazni plundered Somnath temple in 1025 AD