The external affairs minister also said that Pakistan openly practises terrorism and there is no scope for negotiations until Islamabad reins in its financing and recruitment of militant groups.
Tears spilled as friends, family and strangers gathered in solidarity at Brussels' main square to hold vigils for loved ones lost in Tuesday's terror attacks.
Foreign ministers from 22 countries on Thursday gathered in the London to discuss ways to coordinate their efforts to combat the Islamic State by halting the flow of recruits to the jihadist group and cutting off its funding.
The death toll for the worst ever migrant disaster in the Mediterranean could be as high as 950 said reports even as Italy's coastguard coordinated the search for survivors and bodies.
The terrorists have been identified as Raqib Ahmad Sheikh, a resident of Shiganpora in Kulgam, and Pakistani nationals Waleed and Numan, a police spokesman said.
Modi told the delegation that urgent action was needed against those supporting and sponsoring terrorism.
The United States has lifted most of its sanctions against Iran after a UN watchdog reported that Tehran had complied with a nuclear weapons deal.
He said the Pakistan Air Force was detected and the Indian Air Force responded instantly.
'The Modi government would chaff at the very idea of holding talks with Pakistan, facilitated by Washington and under close US monitoring, when the 2019 poll is sailing into view.' 'But in politics and diplomacy, there may be moments when drinking from the chalice of poison is necessary,' says Ambassador M K Bhadrakumar.
Saudi Arabia has severed diplomatic ties with Iran following attacks on the kingdom's embassy and consulate in the Islamic Republic over the execution of a Shiite cleric.