Expressing concern over growth of ISIS in the world, RSS mouthpiece Organiser on Saturday stressed on a coordinated approach to tackle it and said “selective abetment” as China did to Pakistan in the Mumbai terror attack mastermind Zakiur Rehman lakhvi case will not help the cause.It said that mere high-handed military approach will not address the issue and will instead make ISIS more popular, noting that unless it is accepted that political Islam with ideology of Jihadism has emerged as a challenge to Western liberalism, a piecemeal approach to the problem will be maintained.