Simon commission was opposed because its all members were the English
The British Government appointed the Simon commission in Nov., 1927
The activities of Swaraj party had induced the British Government to review the working of the diarchy system introduced by the Montague- Chelmsford reforms
Lala Lajpat Rai died during the protest of Simon commission
Some of the activities which were prevalent during the Delhi Sultanate period are as follows: religious persecution, prohibition of public worship and destruction of temples. These was often vigorously enforced by the early Muslim rulers.