Srinagar, June 6 (UNI) As Prime Minister Narendra Modi flagged off the first Vande Bharat Express connecting Katra with Srinagar, Peoples Democratic Party chief Mehbooba Mufti and Hurriyat Chairman Mirwaiz Umar Farooq welcomed the improved connectivity but appealed Centre to release Kashmiri prisoners ahead of Eid for healing and justice.