One, Pakistan's external intelligence agency, the Inter Services Intelligence, has been making consistent efforts to create new outfits to operate in the Indian heartland since Pakistan is usually accused of complicity in such attacks, which is turning up the heat on that country in international circles.

Two, SIMI, which has been on the run since the crackdown on it in Madhya Pradesh and elsewhere, realises that any terror attack under its aegis is self-defeating since its top leadership is in jail and freely accessible for interrogation.

Hence, the Indian Mujahideen.

Image: Vehicles burn after serial bomb blasts in Ahmedabad on Saturday.