The West Bengal police on Tuesday arrested a top Maoist leader who is believed be the mastermind behind the Silda attack.
Venkateshwar Reddy alias Telugu Deepak, who is Chairman of CPI (Maoist)'s State Military Commission, West Bengal Chapter, is a close aide of Koteshwar Rao alias Kishenji.
The attack on the security force camp in Silda killed 24 Eastern Frontier Rifles personnel.
Sources said Deepak was wanted in connection with a number of incidents of Maoist violence.
Deepak would be questioned by a joint team of the state intelligence department and central security forces, they added.