Dear this is a competitive exam, you can't get away with comprehensive study as you have been doing in matric or inter exams, you must expect the unexpected and be ready to face anything that come your way...but i can tell you some topics but at the same time i agaian say selective study won't give you good scores, for that through study is essential..

1: Muslim invasion of sindh
2: what were the motives behind Mahmud's invasion? plunder or spread of Islam?
3: who laid the foundation of Delhi sultanate? was it Aibak or Iltutmish?
4: Admoinistrative, economic and military reforms of diffrent sultans such as Balban's policy against Mongols, feroz shah tughlaq's admin reforms, market reforms of allaudin khilji etc
5: role of Ulama and sufis in spread of Islam
6: Arts and Architecture of sultans
7: Character and achievements of Babur
8: Humayun's struggle against Sher shah suri
9: reforms of sher shah suri
10: Akbar's policy with hindus and Din e Elahi and his reforms
11: War of succession between sons of shah jahan
12: Relegious revivalism of Aurangzeb Alamgir

I wish you very best of luck..
Regards