Iran is preparing for a trade and investment boom that could reshape the region after agreeing with world powers to curb its nuclear programme, paving the way for sanctions that have stifled its economy to be lifted.
Applauding India as a "responsible steward" of atomic power, the US has said it looked forward to "trying to complete" the civilian nuclear deal this year so as to bring New Delhi to the "mainstream".
The National Democratic Alliance wants a debate over a remark made by Home Minister Shivraj Patil regarding the threat to India's nuclear establishments.