Muktesh Chander, an IPS officer, gave a presentation on the history and applications of hypnosis. He discussed how hypnosis has been practiced since ancient times under different names. In the 18th century, Franz Mesmer discovered "animal magnetism" which sparked further research. Hypnosis was later recognized by medical organizations as a valid technique and has various applications including pain relief and stress management. Chander addressed controversies around using hypnosis for witnesses and in criminal investigations. He recommended guidelines and safeguards for its evidentiary use.