Simultaneous raids were conducted at 19 locations in Kerala, Tamil Nadu and Karnataka. In Kerala, premises in Kozhikode, Malappuram, Kannur, and Kasaragod were searched. In February 2026, a large quantity of explosives were seized from a lorry at Chemmad in Malappuram.
The premises include those of Mohammad Ali alias Max Raju, Saurav Adhikari, nephew of Biswas, and a "close associate" of Biswas named Ruhil Amin Ali, who is a Kolkata Police Sub Inspector, and Biswas' house in Murshidabad.