Saw this movie yesterday. Not sure why the critics dint like it, it is a very nice movie.
Phantom is a fictionalised account of Daniyal Khan(Saif Ali Khan), an Indian Army officer whos hand-picked to spearhead a covert mission to eliminate the masterminds of the 26/11 Mumbai terror attacks, with the help of a three-member team: two Research and Analysis Wing(RAW) officials Mohammed Zeeshan Ayyub and Bengali actor Sabyasachi Chakraborty, the brain behind the mission, and "security agent" Nawaz(Katrina Kaif), who works for an American company that "supplies" arms to Mujahideens.
Go watch it!