NEW DELHI, May 19 -- The understanding between India and Pakistan to cease military hostilities is open-ended and does not have "an expiry date" at the moment, the Indian Army said on Sunday, rejecting reports from Islamabad that the truce was recently extended to May 18.

"As far as continuation of break in hostilities is concerned, as decided in DGMOs (directors general of military operations) interaction of May 12, there is no expiry date to it," the army said in a brief statement. To be sure, India has laid down a marker that the fate of the May 10 ceasefire hinges on Pakistan's behaviour.

It ended the four-day military confrontation that stoked fears of a full-blown shooting war. The army clarified that no DGMO-level talks were plan...