Consider the following statements with reference to Artide 17 of the Constitution of India:

1. 1.It abolishes untouchability and forbids its practice in any form.
2. 2.It defines 'untouchable' as those people tainted by their birth into a caste system that deems them impure.
3. 3.Constitution prescribes punishment for somebody practicing untouchability.

How many statements given above are correct?