It takes a lot of courage to accept that some members of the army is involved in terrorism. The Indian govt has acted swiftly and has sent out a clear message that such acts wont be tolerated. Speaking of credibility we did not send our soldiers to occupy some foreign peaks and then hide under the cloak of freedom fighters.
It also helps to read the entire article and understand. In any institution there will be the odd bad egg. Radicalisation will be rooted out of the Indian army.