NEW DELHI: In a major climb-down after facing military as well as diplomatic heat from India, the Pakistani Army on Wednesday shed its earlier confrontationist attitude to declare its troops would now firmly uphold the ceasefire agreement and exercise restraint on the 778-km-long Line of Control (LoC). The Indian Army, while still furious over the beheading of one of its jawans, promptly accepted the truce offer made during the DGMO (director-general of military operations)-level talks to ensure the precarious situation along the LoC did not escalate "beyond the tactical level". The beginning of the military de-escalation on the ground came even as Pakistani foreign minister Hina Rabbani Khar struck a discordant note at the UN headquarters in New York to charge India with "war-mongering". With sports, cultural and trade ties already taking a hit, it's clear the bilateral diplomatic chill will continue for some more time to come. A day after PM Manmohan Singh warned Pakistan that it could no longer be "business as usual" in the peace process, senior government officials on Wednesday reiterated Pakistan would have to investigate the barbaric beheading of the Indian soldier if it considered itself a ``civilized country''. Indian DGMO Lt-General Vinod Bhatia also raised the beheading of Lance-Naik Hemraj by Pakistani Army regulars, in the Mendhar sector of J&K on January 8, with his Pakistani counterpart Major-General Ishfaq Nadeem Ahmed during their talk over the hotline at ...