The National Investigation agency (NIA) on Wednesday arrested 10 suspects allegedly owing allegiance to the Islamic State-inspired terror module Harkat-ul- Harb-e-Islam that was planning to launch fidayeen (suicide) attacks in the Delhi-NCR region.The module name that translates to warriors of Islam, was plotting to unleash a series of explosions in crowded markets, sensitive locations besides targeting political personalities and security installations in the Delhi-NCR region.