The activities of Swaraj party had induced the British Government to review the working of the diarchy system introduced by the Montague- Chelmsford reforms
The British Government appointed the Simon commission in Nov., 1927
Simon commission was opposed because its all members were the English
Lala Lajpat Rai died during the protest of Simon commission
Mubarak Shah was the second ruler of the Sayyid dynasty which ruled the Delhi Sultanate after the fall of the Tughlaq dynasty. He succeeded his father, Khizr Khan to the throne in 1421 CE.
After the death of Gujarat Sultan Qutb-ud-dín Ahmad Shah II, the nobles raised his uncle Daud, son of Ahmad Shah I to the throne. He reigned over the Gujarat Sultanate from few days in 1458 CE.