Apolitical groups called for a 12-hour shutdown in the Siliguri town of West Bengal on Friday to oppose the proposed agreement between a GJM and the West Bengal state government on the disputed Gorkhaland region. The groups, Janajagaran, Bangla Morcha, Odlabari Nagarik Mancha, Janajagaran Malbaza, have given the shutdown call protesting the agreement to be signed on on July 18. Meanwhile, the local police immediately tightened security across the town, deploying special vehicles and personnel at sensitive areas to prevent any eventuality.