Ragging is1 any physical, verbal or mental abuse committed by one student against another student belonging to an educational institute. The seniority of the student who rags or is ragged does not matter.
Ragging is a crime and it can happen for any reason. Ragging has been known to happen on the basis of appearance or colour of the skin, race, religion, caste, ethnicity, gender, sexual orientation, appearance, nationality, regional origins, spoken language, place of birth, place of residence or economic background. It can take many different forms. For example, bullying a student into doing assignments or excluding a student from campus activities. The law punishes different forms of ragging against students including psychological harm, physical abuse, etc. Read more here.