No arrest required, no warrants, nothing is required. just remove the terrorism in any of the way you want - You would have fueled the goonda raaj!
Terrorism is rare, but it exposes the weakness in the system. More people die of Flu month than the amount of people who had died in terrorist attacks till date.
One thing in the recent attacks in Mumbai was exposed is that the cops guarding CST were short of RIFLES? Comeon ... Shortage of Arms is the worst thing... Also revealed was that Mumbai Police has also delayed licenses to several guards. Also the local police uses Rifles and Pistols, where as the terrorists use AK-47 ...
If I were the PM, I would make extra efforts to ensure that the different departments like the IB, Navy, Army, Local Police, ATS all work in SYNC. Instead of adding new agencies, ensuring that all of them work together without any ego or bureaucracy.