Arrange the following events in chronological order

1. Alipore Bomb Conspiracy

2. Chittagong Armoury Raid

3. Kakori Train Robbery Case

4. Dalhousie Square Bomb Case

The correct sequence of events were Alipore bomb conspiracy (1908) - Kakori train robbery (1925) - Chittagong armoury raid (18 April 1930) - Dalhousie Square Bomb Case (25 August 1930). Hence Option 2 is Correct.

• Alipore bomb conspiracy
  • Several leaders of the Yugantar party including Aurobindo Ghosh were arrested in connection with bomb-making activities in Kolkata.
  • Several of the activists were deported to the Andaman Cellular Jail.
• Kakori Train robbery
  • Chandrasekhar Azad, Ramprasad Bismil, Jogesh Chatterjee, Ashfaqullah Khan, Banwari Lal and their accomplices participated in the robbery of treasury money that was being transported by train.
  • The looting took place between Kakori station and Alamnagar, within 40 miles (64 km) of Lucknow on 9 August 1925.
• Chittagong Armoury Raid
  • Surya Sen led Indian revolutionaries to raid the armoury of police and auxiliary forces and to cut all communication lines in Chittagong on 18 April 1930. 
• Dalhousie Square Bomb Case
  • A bomb was thrown on the Calcutta Police Commissioner, Charles Tegart on 25 August 1930.