India should be on 'high alert' for next 4 wks to stop locust attacks: FAO

The FAO said that spring-bred locust swarms that migrated to Indo-Pakistan border and travelled east to northern states, are expected to return to Rajasthan

India, which is tackling the worst locust attack in 26 years for the last three months, should remain on "high alert" during the next four weeks, according to the UN's Food and Agriculture Organisation (FAO).

Meanwhile, the Indian government has stepped up efforts and is using latest technology and equipment like drones and Bell helicopters for control of the menace.

Rajasthan is the most affected state in the country. The other affected states are Madhya Pradesh, Punjab, Gujarat, Uttar Pradesh, Maharashtra, Chhattisgarh, Haryana and Bihar.

In its latest update, the FAO said that spring-bred locust swarms that migrated to Indo-Pakistan