The accused persons were collecting funds in the name of Zakat for the procurement of weapons and organising weapon and explosives Training Camps for PFI cadres, added the Central agency.
They are involved in carrying out terrorist attacks by using cyber-space in Jammu and Kashmir, targeting minorities, and security personnel and spreading communal disharmony.
According to Mumbai Police sources, the NIA has informed that Sarfaraz Memon, a resident of Madhya Pradesh has taken training in China, Hong Kong and Pakistan.
Faisal, Atif and Saifulla had also travelled to Kashmir in March 2016 in a bid to contact some terrorist groups that could help them to cross over to Pakistan, from where they could migrate to ISIS-controlled territories in Syria.