The National Investigation Agency (NIA) arrested four people identified as Obaid Hamid of Srinagar District in Jammu and Kashmir (J&K) in India, Muzammil Hassan Bhat of Bandipora District in J&K, Ammar Abdul Rahman of Mangalore District in Karnataka and Shankar Venkatesh Perumal of Bengaluru in Karanataka during its simultaneous searches in J&K and Karnataka in connection with terror activities of a group propagating the violent ideology of the Islamic State/Islamic State of Iraq and Levant /Islamic State of Iraq and Syria/Daish (ISIS) on August 4, reports Daily Excelsior. During these search operations, several digital devices, including laptops, mobile phones, hard disk drives, pen drives, multiple SIM cards of different service providers and incriminating documents were seized.The four people arrested on August 4, were involved in raising funds, and radicalising and motivating more people to join ISIS, said NIA official.