remember guys after Pushy's b'day party when bw confronted P. Pia gave her a clue that onle she and her gynec. knows about the father and she is not ashamed of it because she loves him so much.she wants him to accept her and baby.( she knows bani mata very well)
After that while talking to jw she said i love my sister but I love you even more than that. and in todays episode she made jw hear everything that she wanted to while talking to Anupam. like woman can never forget the father of her child blah....blah ( just read this part in update guys. you will understand my point here).