सुदूर मंथन (SUDOOR MANTHAN) has been developed as the Science Portal of IIRS, ISRO. It is a knowledge repository of scientific observations and studies of ISRO Scientists and researchers. This portal provides information on the scientific studies and observations carried out by ISRO/DOS in a simple narrations which can easily be understood by the common citizens for public outreach and awareness. The information available in this portals are purely for scientific and academic purposes.