One was nabbed from the West Bengal-Jharkhand boundary in Birbhum, one from Rampurhat and the third from Malda district on Tuesday night, a police officer said.
Four IAF personnel, including a squadron leader, were killed and 22 injured on January 25, 1990, at Rawalpora on the outskirts of Srinagar.
The Supreme Court on Friday said the trial court's finding that Aam Aadmi Party leader Manish Sisodia was responsible for delaying the trial in the Delhi excise policy cases was not supported by the record.
Congress rebel Y S Jaganmohan Reddy's mother Vijayamma on Wednesday knocked at the doors of Prime Minister Manmohan Singh demanding a probe by a Supreme Court Judge into the alleged harassment of her jailed son by the Central Bureau Investigation and "ulterior motive" of a particular official of the agency.
The CBI probe was ordered following a recommendation by Delhi Lt Governor V K Saxena on the matter in December last year.
The CBI during its probe got inputs of a large cache of arms hidden in Sandeshkhali. On Friday morning, a CBI team started a search operation during which the arms, including foreign-made pistols, were seized, the officials said.
The sources claimed that one of those arrested is believed to be Arsh Dalla, who is associated with the banned Khalistan Tiger Force and ran terror modules on behalf of Hardeep Singh Nijjar, a designated terrorist who was killed in June last year.
The agency opposed Sisodia's bail plea before Special Judge Kaveri Baweja, who extended the judicial remand of the AAP leader till April 18 after he was produced before the court on the expiry of his custody.
