President Pranab Mukherjee has expressed shock and sadness over the deadly attack "against innocent civilians" in Orlando, US.
In a message to US President Barack Obama on Monday, Mukherjee said: "I was shocked and deeply saddened to hear of the deadly attack against innocent civilians in Orlando earlier today.
I offer my deepest sympathies to all those who have been affected by this terrible tragedy. "
He said that India condemns terrorism in "all its forms and manifestations" and that there can be no justification for such senseless acts of violence.
"This event is yet another grim reminder that the world must come together to address, comprehensively and urgently, the scourge of terrorism, its perpetrators and also those who support or harbour them, " Mukherjee added.
He said the people of India "stand by the people of the US" in their "moment of grief and mourning".
"We pray for the families that have lost loved ones and for the swift recovery of the injured, " he said.