To encompass additional domains of knowledge, we extended Questions & Answering System. Like, Questions on definition and terminology, biographical questions, questions on audio, video, images etc. Since rapid increase in population, the number of questions has been increasing and it is unlikely for a user to provide the quality of answers. Then social networking sites like Facebook, Twitter, Quora etc. has property of mutual friends to ask questions through friends who are most likely to answer the question and enhancing the user security too. The key aspect of social Question and Answer is protecting user privacy, automatically retrieving answers for recurrent questions and improving the quality of answer and waiting time. Bloom filter based personal information exchange method is used to achieve a certain degree of security and the onion routing is used to forward the answer