Alia Bhatt talks about her sister-in-law Riddhima Kapoor Sahni, says she has all the news and drops bigger gossip bombs than Ranbir Kapoor. She also spoke about her equation with their daughter Raha.Alia Bhatt talks about her sister-in-law Riddhima Kapoor Sahni, says she has all the news and drops bigger gossip bombs than Ranbir Kapoor. She also spoke about her equation with their daughter Raha.