The suspects Asad Khan (33) and Imran Khan (31) were arrested on September 26 from their hideout at Pul Prehladpur in south Delhi while Syed Firoze (38) was picked up from Hazrat Nizamuddin railway station five days later by Delhi police special cell in an another terror case.
The police claimed that the trio was also involved in triggering Pune blasts.
The fourth accused Langde Irfan (30), was apprehended from Jaipur on October 10 by the Delhi Police.
Subsequently, Maharashtra ATS, probing the Pune case, sought the custody of the four from a Delhi court, which issued a production warrant, ordering Delhi police to produce the four in a Pune court.
The Maharashtra ATS formally arrested them today in the Pune blasts case before Judicial Magistrate (first class) S S Bose who remanded them in police custody till January 1.
Assistant police commissioner (ATS) Samad Shaikh is investigating the case.
The four allegedly coordinated low-intensity explosions at Jangli Maharaj road at spots near Balgandharva Theatre, Dena Bank branch, McDonald outlet and Garware bridge in August. The first explosion went off at Balgandharva Theatre in which one person was seriously injured.
The explosion outside McDonald went off in a dustbin while the blasts near Garware bridge and Dena bank were caused by explosives strapped on cycles, police said.
