The correct answer is landslides.
Landslides are a major hazard in Manipur, and they are caused by a number of factors, including the hilly terrain, heavy rainfall, and deforestation. Landslides can cause significant damage to infrastructure and property, and they can also result in loss of life.
Cyclones are not a major hazard in Manipur, as the state is located inland and is not prone to tropical cyclones. Tsunamis are also not a major hazard in Manipur, as the state is not located near any major fault lines. Droughts are a potential hazard in Manipur, but they are not as common as landslides.
The hilly terrain of Manipur makes it particularly vulnerable to landslides. The hills are steep and unstable, and they are prone to erosion. Heavy rainfall can cause the soil to become saturated, and this can lead to landslides. Deforestation also contributes to landslides, as trees help to stabilize the soil.
Landslides can cause significant damage to infrastructure and property. They can also result in loss of life. In 2015, a landslide in Manipur killed at least 40 people.
The government of Manipur is taking steps to reduce the risk of landslides. They are working to improve the early warning system for landslides, and they are also working to reforest the hills.