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.
In December last year, the NIA took over the investigation into the November 19 pressure cooker blast in an autorickshaw in Mangaluru wherein a passenger, identified as Mohammed Shariq, was carrying a pressure cooker bomb made from an Improvised Explosive Device (IED).
Mohammad Sohail is the Udaipur district president of SDPI, the political wing of the Islamist organisation Popular Front of India (PFI) which has been banned in various states for extremist activities.