Led by state BJP secretary Vibodh Gupta, the activists raised anti-Pakistan slogans and slammed Congress for going "soft" on Pakistan.
Addresing the protesters, Gupta said the killings showed "barbarism of Pakistan" and the international community should take notice of it and boycott Islamabad.
"Indian Government has adopted soft attitude towards Pakistan which is unfortunate and will not be tolerated at any cost," he said
Slamming Pakistan Army for its "cowradly" act, he said if India remans silent, Pakistan will continue such attacks .
JKNPP activists also held a demonstration in front of Dogra Chowk in the city and set afire an effigy of Pakistan Army.
"This is a naked aggression against India which deserves universal condemnation by the civilized world. Besides, Pakistan Army should be held liable for this heinous crime," the party said.
JKNPP activists demanded that the Centre move the International Court of Justice to punish Pakistan Army for this heinous crime.