The government has not rule out the possibility of involvement of foreign hand in the Pune blast, including convicted LeT operative David Headley link. Home Secretary G K Pillai told reporters in Delhi that an ISI-sponsored 'Karachi Project' is on to indoctrinate Indian youth into terror. Meanwhile, two suspects are reported to have been identified in connection with Pune bomb blast on the basis of CCTV footage recovered from a five star hotel near German Bakery. AIR correspondent reports that the officials are however, tight-lipped about the findings.