The firing was still going on "intermittently" till the last reports came, army said.
"Pakistani soldiers initiated indiscriminate firing at around 11.45am on Indian Army posts along the Line of Control in Akhnoor sector," a senior army officer said.
The Indian Army responded appropriately in a controlled and measured manner, he said, adding the "intermittent firing is presently on".
There has been no loss of life or injury to anyone on the Indian side of the border, the officer added.
Representative image
Love knows no boundaries: Srinagar cop ties knot with PoK girl
Pakistan to seek top Baloch leader's arrest via Interpol
Four reasons why Modi's Vietnam visit is important
First Look: Lalbaugcha Raja arrives
India, Egypt to step up defence ties, fight crime together