Some positions have already been moved to India from the Finance area. The Timeline probably is now and until one year from now. Hopefully they give people an early heads up when there position is migrating to India.
Best place to check is AIG career section and see what positions are being offered in India, then you know your position will be in India soon.
At the end of the day, AIG needs to bring down expenses to compete with Industry peers. The quickest way is to outsource positions overseas to low cost area.
As for IT area, which have taken major cost cutting hits will more likely have more cuts and any major projects will be done consultant companies. IT workers at AIG will be just lights on and lights off people.