Sanjivani Singh warm welcome to this site. Our member Rizwan has given all details about how to post the question papers in this site. Regarding other postings, you can use this forum effectively by raising issue based topics of general nature, affecting students, or anything such bothers you and wants inclusive participation from the members. You can also raise questions of technical nature in our Ask Experts section, you can write articles on any subject in article section but everything must be churned out on own and not copied from other sites. You can also share job postings in that section.
'Idhuvum Kadandhu Pogum "
Even this challenging situation would ease