The Indian military says Pakistani soldiers fired at Indian posts all along the highly militarized frontier in disputed Kashmir as tensions flare over attack on tourists.

India's army chief will review security arrangements on Friday and visit the site of a deadly attack on tourists in Indian Kashmir earlier this week, with fears of fresh tensions with long-time rival and neighbour Pakistan spooking markets.

Supporters of the Pakistan Murkazi Muslim League party stand over the crossed posters of Indian Prime Minister Narendra Modi and Indian Minister of Home Affairs Amir Shah during a demonstration against the suspension of water-sharing treaty by India with Pakistan,