"News from Paris is anguishing and dreadful. Prayers with families of the deceased. We are united with people of France in this tragic hour," Modi said in a tweet.
Four suspected terrorists were killed during the hostages rescue operation conducted by French security forces on Saturday at the Bataclan theatre.
Total seven simultaneous shootings rocked central Paris on Friday. One of it turned to hostage taking at the Bataclan theatre and concert hall where hundreds of people were attending a concert of a rock group.