I think India was ready for full support .
I would like to post General Pervez Musharraf's speech (after 9/11 ) addressing to people of Pakistan . I watched this on Indian TV after 9/11 . ( just few part of the speech here ....... )
"Let's Look at Our Neighbors: They
[e.g. India] Have Promised the U.S. All Cooperation; They Want to Isolate Us, Get Us Declared a Terrorist State"
"We in Pakistan are facing a very critical situation perhaps as critical as the events in 1971. If we make the wrong decisions, our vital interests will be harmed.
"I have discussed all this with my corps commanders, politicians and prominent Pakistanis. Tomorrow I am meeting the tribal chiefs. I have to say that opinions are divided, but the vast majority supports us. I would say that about 15% are tending towards emotional reactions.
"Let's look at our neighbors. They [e.g. India] have promised the U.S. all cooperation. They want to isolate us, get us declared a terrorist state.
"They have met in Dushanbe with some other countries and plan to try and install [an] anti-Pakistani government in Afghanistan. So our neighbor is busy trying to harm us. If you see their television, they are busy with propaganda against us.
"I want to tell them to 'lay off.' Our forces are on full alert and ready for a do-or-die mission. In this situation, if we make the wrong decisions, it can be very bad for us. Our critical concerns are our sovereignty, second our economy, third our strategic assets (nuclear and missiles), and fourth our Kashmir cause. All four will be harmed if we make the wrong decision. When we make these decisions they must be according to Islam."
http://http://nmen.org/in-historic-post-911-speech-gen-musharraf-defends-collaboration-with-u-s-against-taliban-saying-hes-following-example-of-prophet-muhammad-when-the-jews-saw-islam-becoming-stronger-they-conspi/