India is likely to witness another large-scale militant attack on its soil with American attempts to elicit cooperation from Pakistan through aid packages unlikely to affect Islamabad's behaviour significantly, a leading intelligence group has warned.

New Delhi has refrained from taking overt military action against Pakistan after the November 2008 Mumbai attacks for fear of destabilising Pakistan further and giving regional jihadists an excuse to focus their attention on India, Stratfor, the global intelligence company noted in its second quarter forecast.