"They were informed at 3 pm and the messages were read at 3.07 pm but the messages were ignored," the Jawaharlal Nehru University Students' Union (JNUSU) claimed at a press conference.

from Times of India https://timesofindia.indiatimes.com/india/jnusu-claims-police-ignored-messages-about-mobs-presence-in-varsity-on-january-5/articleshow/73204541.cms