Voicing serious concern over rise in infiltration from Pakistan, Defence Minister A K Antony on Wednesday attributed it to forces across the border which are "jittery" over return of normalcy in Jammu and Kashmir.

A BSF jawan was killed in firing from across the border on Monday as security forces foiled two separate infiltration bids in Jammu region.

BSF on Saturday foiled an infiltration bid after a brief exchange of fire between troops and militants along the Indo-Pak border in Garkhal near Jammu.

The Border Security Force on Saturday foiled an infiltration bid along the Indo-Pak border in Kutch district of Gujarat, BSF officials said.

Blaming Pakistan for not changing its attitude on cross-border infiltration, union Home Secretary G K Pillai on Friday said that the neighbouring country continues to push-in terrorists from border into Jammu and Kashmir.