ISLAMABAD : President Asif Ali Zardari on Saturday said that Kashmir is the backbone of Pakistan and the government would continue to support Kashmiris on political and diplomatic grounds. Zardari expressed these views during a meeting with former AJK prime minister Barrister Sultan Mahmood at Aiwan-e-Sadr. Both the leaders discussed the planning to hold campaign about upcoming elections and they discussed in detail the long-standing dispute of Kashmir.