The Indian forces intruded into Pakistani area in the Rann of Kutch in April 1965. In a sharp and short conflict, the Indian forces were ejected. Both the armies had fully mobilized, with eyeball to eyeball contact. Pakistan proposed cease-fire, India accepted. An agreement was signed: the forces disengaged. The Award by the Arbitration Tribunal vindicated Pakistan 's Position.
Past midnight on 5/6 September, without a formal declaration of war, Indian Army crossed the international border and attacked Lahore and Kasur fronts. Pakistan Army and Pakistan Air Force halted the attack in its tracks, inflicting heavy casualties on the aggressor. On 7 September a single Pakistan Air Force Pilot, Squadron Leader M.M. Alam, Sitara-i-Juraat, in his F-86 Sabre shot down five Indian Air Force attacking Hunter aircraft in a single sortie, an unbeaten world record "On night 6/7 September three teams of our Special Services Groups were para-dropped on Indian Air Force bases at Pathankot, Adampur and Halwara to neutralize them.
To relieve pressure on Lahore front, on night 7/8 September, after crossing two major water obstacles in a bold thrust, Pakistani armoured and mechanized formations supported by artillery and Pakistan Air Force overran area Khem Karn, 6 to 8 miles inside Indian territory. Vital Indian positions at Sulemanki and across Rajasthan and Sindh were also captured in bold, swift attacks.