This handout photo released by the Sri Lankan Department of Government Information, shows Indian Prime Minister Narendra Modi signing the visitors book, as Sri Lankan President Maithripala Sirisena, left, and chief custodian of the Temple of Tooth Nilanga Dela watches during Modi's visit to the temple, believed to house the sacred tooth relic of Buddha, in Kandy, Sri Lanka, Friday, May 12, 2017. Pic/PTI

Colombo: Prime Minister Narendra Modi on Friday made a veiled reference to the terrorism sponsored from across the border in India and said the proponents of hate are not open to dialogue.