but so is Shilpa
water in Lonavla is dirty , Tap water has a lot of Mitti in it ( according to Sambhavna )
that's ok if Shilpa didnt know about it and the way Hina spoke to her was Rude but she could have accept infront of Vikas , Puneesh that she didn't know about it and from the future she won't use it ...
its not good for her own health in long run, bcz she drinks Tap water too
but she had to take this Forced Stand ( because Salman has asked her ) to defend herself , instead of accepting she was ignorant ( if not wrong )