Neha (22) yesterday hanged herself from a ceiling at her residence in Rampuri locality here.
The reason behind the incident has not been ascertained yet, they said.
In another incident, a youth, identified as Yogendra (25), committed suicide by consuming poison. He was rushed to a local hospital where he was declared dead, police said.
In third incident, a 48-year-old man jumped before a moving train near Muzaffarnagar railway station. His identity could not be ascertained. The body has been sent for postmortem.