You are the Director of an institute. A group of angry workers created turmoil over a petty issue and rushed to your office to see you. You. became apprehensive and thought that they may aggressively deal with you. What would do?

Ask them to meet you after an hour

Call the higher authorities seeking their protection

Pass on the message to them that they submit their grievances in writing

Ask them to assemble in a hall and hold talks with them