India would not open up all its nuclear plants. India is free to designate plants which are for civilian use and open only those for IAEA inspection. India's strategic programme (aka nuke weapons) plants are not open for inspection. It is INDIA WHO DECIDES WHICH PLANT WOULD BE OPEN FOR IAEA INSPECTION, and not the US or IAEA.
The nuclear deal and `minimum deterrence' www.hindu.com/2006/07/10/stories/2006071004751100.htm "...there is nothing in any agreement India has signed that commits it to cap or
reduce its weapons-grade fissile material stockpiles."