The Cabinet has advised dissolution and it could be argued that he is bound by the advice. On the other hand, the prospect of another election so soon after the last one may not appeal to many. He will therefore be under pressure to allow some time for alternatives to be found.
He has till September 15 to do so, so it is unlikely that he will act in a hurry. The rumble of the earthquake will be felt in Delhi, where an important element in the BJP