All the members who join here will post any useful article or quotations relating to their own subject from the past papers including me.it can be at any of the useful topics concerning the above mentioned subjects.we can post any topic from the previously posted good articles from this forum and also by some other ways through net.it would be just like a kind of assignment by anyone who join us in combine studies by which we could able to assemble much useful information about the above mentioned subjects which would definitely help us a lot side by side our alone general studies.the condition for this is that everyone who join our group should be seriously focused towards his/her studies and should try to post minimum one article in two days by any source.