“ISIS is today not just a threat for Iran or India, ISIS is a deep threat for the region, for the world and for humanity. The way they are acting in the region needs comprehensive and coordinated measures,” the Iranian envoy said, adding military option is not the only measure to eradicate ISIS.Ansari hoped that trade and economic engagement between India and Iran will grow following the deal his country struck with six major powers last month to limit its nuclear activities. There has been indication that Iran will increase its oil production soon.