A heavy police contingent, comprising RAF, PAC and local police, was deployed on the campus even as varsity authorities had announced the closure of the university on Tuesday.
Students have been peacefully agitating for the past 101 days on the issue of fee hike at the university.
The students say their fees have been hiked nearly three-fold, and have been holding protests for several days now. They later planted saplings in the pit.
According to Professor Rizvi, the research claims that even at concentrations under the prescribed limits, MSG may cause inflammation, oxidative stress and other health problems.