People need to be careful about what they publish on social media. There is no need to control one's Facebook status. However, certain restrictions have been put on online free speech. For example, online free speech does not give the license to defame.
The arrest of the girls manipulates Article 19 of the Constitution, which is Freedom of Expression. Not allowing people to express their views violates Article 19 and goes against constitutional validity
While newspapers and television channels have to register and have their editors responsible under the PRB Act, self-publishing individuals like you and me have to take responsibility for every tweet and Facebook update as well as comment under Section 66A of the IT Act which is very loosely written law. It treats the writer of the post same as murderer..this is not at all acceptable for one of the biggest democracy of the world.
social media if used properly can be extremely useful. good infrmation, news etc can be circulated quickly amongst those who are connected. however, it can also spread bad things like rumors, false information etc. it is thus a good tool but if misused can be dangerous