An anti-ragging documentary film ‘Thereby Hangs a Tale’ was screened at Tula’s Institute here today. Ajay Govind, a Delhi-based filmmaker, screened his latest omnibus documentary, which was followed by a seminar titled “Say No to Ragging”.The session, organised in collaboration with Society Against Violence in Education (SAVE), a non-profit organisation working for the eradication of ragging from all educational institutions, was also attended by students of Tula’s International School.