Pakistani troops opened fire in the Fauziyan sector of Poonch, killing an Indian junior commissioned officer or JCO.
This latest incident comes just two days after new Pakistan PM Nawaz Sharif took over. Mr Sharif has listed better relations with India as a top priority.
Last week, Pakistani troops had fired at Indian positions along the Line of Control in Nawgam sector of Kashmir valley but there were no casualties.
The Pakistani Army also used mortars and small arms to target the Indian posts, Army sources said.
There have been 31 incidents of ceasefire violations this year.
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