Answer : 3. "1879-1880"
Explanation :

Koya rebellion in East Godavari region:

1. Year: 1879
 2. Major reason: Dissatisfaction against British rule
 3. Prominent Leader: Gunda Ram

Major events:

1. The rebels killed many British officers and soldiers.
 2. Rebels destroyed many government buildings.

Result:

1. The British government suppressed the rebellion.
2. The British government promised to treat the Koya people m