a militant in a civilian dress can easily escape from the area, to escape he just need to throw away his weapon and act like civilian. but he will be soon hunt down by the army. this is not the 1st time terrorists broke the cordon and escaped from the gun battle. but they will be hunt down by the army, this noting new, and these terrorists are trained by SSG to escape form army. we have seen this before. those escaped terrorists don't have much time left.
@COLDHEARTED AVIATOR can give you more on this than me. as he is from Kashmir and his father is in army.