What was the reason behind the Chittagong uprising in 1930?

1. Protest against indigo plantations
2. Destroy British armouries and disrupt telephone lines
3. Revolt against the use of Enfield rifle
4. Making indigenous bombs to attack the British offices

Answer: Destroy British armouries and disrupt telephone lines

Explanation: The objective of the Chittagong Uprising in 1930 was to dismantle the British armories and create disruption within the railway and communication networks.