ISLAMABAD - Pakistan top civilian and military leadership on Monday held extensive discussions on mounting tension with India and resolved that any threat to the country's sovereignty would be countered with full force. In a meeting, Chief of the Army Staff (COAS), General Ashfaq Parvez Kayani briefed the President Asif Ali Zardari on the prevailing security situation and growing signs of tension with India, sources privy to the meeting said. The Army Chief called on the President amid increasing tension between Islamabad and New Delhi over Mumbai attacks. Sources said that the President and Army Chief reaffirmed Pakistan's commitment to regional peace and stability. However, they said the country's top leadership also resolved that befitting response would be given if war were imposed on Pakistan and all possible steps would be taken for the purpose. The sources quoted the President as saying that no compromise would be made on the country's defence and security and that the armed forces of Pakistan were fully capable of safeguarding the country's borders. President Zardari said Pakistan had offered all possible cooperation to India following the Mumbai attacks but Indian attitude remained discouraging as they levelled allegations without providing any concrete evidence. "This has put the region's peace in jeopardy," he added. Online adds: Zardari said the harsh and threatening tones of Indian leaders are harming the regional environment, adding, that ,however, "our efforts for peace should not be taken as sign of weakness." The President reiterated that Pakistan wants peaceful and cordial relations with all its neighbour but the threatening statements of Indian leadership is creating an atmosphere of aggression and harming the environment of the region. He said, "We are keeping a close watch on all the latest developments and the threatening tone of Indian leadership." He said that all the national security agencies, the Army, political leadership and the public are completely united to meet any aggression against the motherland. The sources quoted Zardari as saying that the government is in touch with all the friendly countries and are briefing them on our peace efforts and the hostility shown by India which are increasing regional tensions. Zardari said that we do not want any war with India, as that would prove detrimental to both of our nations. He said Pakistan wants peaceful relations with all its neighbours and we are making continuous efforts for regional stability but the hostility adopted by India after Mumbai attacks is increasing regional tensions. President Asif Ali Zardari expressed his satisfaction over the preparedness of the Army and said that all necessary resources would be provided to the Army. He said that we have the right to defend our borders in case of any aggression. Agencies add: Prime Minister Yousuf Raza Gilani reiterated Monday that Pakistan did not want war but was prepared to defend itself if attacked, as tensions simmered with India over the Mumbai attacks. The statement came as Indian Foreign Minister Pranab Mukherjee said New Delhi would "explore all options" to push Pakistan on its promise to crack down on cross-border terrorism. "If war is imposed upon us, the whole nation would be united and the armed forces are fully capable of safeguarding and defending the territorial integrity of the country," Gilani told his ambassador to India, Shahid Malik. "Pakistan is a peace-loving country and does not harbour aggressive designs against any one... Pakistan's desire for peaceful coexistence should not be taken as weakness," he said, according to a statement from his office. High Commissioner Shahid Malik briefed the Prime Minister about the developments in the region in the aftermath of the Mumbai incidents. Pakistan has pledged to cooperate with India on the investigation into the attacks but foreign ministry spokesman Mohammad Sadiq said earlier Monday that India had not given Islamabad any evidence to follow up.