New delhi: India on Wednesday suspended the Indus Water Treaty and announced downgrading diplomatic ties with Pakistan including expulsion of its military attaches in view of cross-border links to the Pahalgam attack. The Cabinet Committee on Security (CCS) met on Wednesday evening under the chairmanship of Indian Prime Minister Narendra Modi and firmed up the responses to the terror attack.The CCS decided that the Indus Waters Treaty of 1960 will be held in abeyance with immediate effect, until Pakistan credibly and irrevocably abjures its support for cross-border terrorism, Foreign Secretary Vikram Misri said at a media briefing.The Integrated Check Post at Attari will be closed with immediate effect, he said. Those who have crossed over with valid endorsements may return through that route before May 1, he said.Misri said "the defence, military, naval and air Advisors in the Pakistani High Commission in New Delhi are declared Persona Non Grata." They have a week to leave India, he said.India will be withdrawing its own defence, navy and air advisors from the Indian High Commission in Islamabad. "These posts in the respective High Commissions are deemed annulled. Five support staff of the Service Advisors will also be withdrawn from both High Commissions," he said."The overall strength of the High Commissions will be brought down to 30 from the present 55 through further reductions, to be effected by May 1," he said.Foreign secretary Vikram Misry said, "The Defence/Military, Naval and Air Advisors in the Pakistani High Commission in New Delhi are declared Persona Non Grata. They have a week to leave India. India will be withdrawing its own Defence/Navy/Air Advisors from the Indian High Commission in Islamabad. These posts in the respective High Commissions are deemed annulled. Five support staff of the Service Advisors will also be withdrawn from both High Commissions. The overall strength of the High Commissions will be brought down to 30 from the present 55 through further reductions, to be effec ted by 01 May 2025."Foreign Secretary Vikram Mistry said, "The CCS reviewed the overall security situation and directed all forces to maintain high vigil. It resolved that perpetrators of this attack will be brought to justice and their sponsors held to account. As with the recent extradition of Tahawwur Rana, India will be unrelenting in the pursuit of those who have committed acts of terror or conspired to make them possible." "Indus Water Treaty to be kept in abeyance with immediate effect till Pakistan stops cross border terrorism," Foreign Secretary Vikram Misri said.