Amitabh Bachchan Refuses To Comment On Ex-Friend Amar Singh - Hot News. In Bollywood relationships going sour is not a new thing and one of them is of superstar Amitabh Bachchan and his once brother Amar Singh. In a recent event when the media asked Big B about Amar Singh, he refused to comment. Check it out. Regular Facebook Updates http://www.facebook.com/RajshriDotCom. Watch more http://www.youtube.com/playlist?list=PL4E87895D45C52ECE for the latest bollywood film reviews, makings & trailers.