This work studies Raja Mansingh Tomar of Gwalior and the Tomar monuments (viz. palaces, gates, tanks etc) which have survived in the Gwalior Fort. Though it had a very short time span of 40 years (1486-1526), it was a potential precursor to the versatile and prolific architectural style of the Imperial Mughals of India. Chapters: (1).Historical Background: Mahārānā Kumbhā of Mewar (1433-68) -10-13(2).Rājā Mānsingh Tomar of Gwalior (1486-1516) -14-16(3).'Paurs' (Gates) and Tanks of Gwalior Fort -17-21(4).'Chaurāsī Khambhā' (the Hall of 84 Pillars), Gwalior Fort -22-26(5).'Vikram Mahal' and 'Kīrtti-Mandir', Gwalior Fort-27-32(6).'MĀN-MANDIR' and the 'Hāthyā-Paur' (the Elephant Gate), -33-59 Gwalior Fort (7).'Hindola-Paur' and 'Gūjarī-Mahal' Complex, Gwalior Fort -60-67(8).Characteristic Features of Rājā Mansingh Tomar's Style -68-71References --72-75Appendix - A, B, C & D -76-82Plates -83-116