Special branch police inspector A Venkata Rao said that a swarm of bees descended upon the personnel when they were on routine combing operations in the Maddigaruvu area.
The seven injured cops were treated at a community health centre at Paderu in the Vizag Agency after which they were shifted to Vizag city for better medical aid, the police official said.
Combing operations have been intensified after Maoists hurged locals to observe Independence Day as a 'Black Day', he said.