Tier two cities such as Lucknow, Jaipur, Vijaywada, Bhopal, Chandigarh, Ahmedabad and Panji have also been alerted about possible attacks.
Prime Minister Nawaz Sharif said that Pakistan is verifying the facts to bring the perpetrators to justice.
How the two South Asian neighbours will interact with each other in the coming months will be decided by the two prime ministers in Washington.
'The attack on the Pathankot base constituted an act of war. Yet Modi's only public comment up until now on that attack has been to blame it on "enemies of humanity".' 'Modi came to power talking tough about Pakistan. But in office, he has pursued a Pakistan policy that has lost both direction and purpose,' argues Brahma Chellaney.
'India needs to deeply introspect on the costs of pursuing peace with Pakistan,' says Lieutenant General Syed Ata Hasnain (retd).
'Clearly, the Modi government is proving to be far more willing than any previous government in Delhi to hitch India's wagons with the US' regional strategies.'
'Modi loves to keep others guessing and basks in the media glare, both traits that are politically helpful but are inimical to stable relations, especially in the fragile Indo-Pak equation.'