This document summarizes a seminar presentation on electrospinning nanofibers. It introduces electrospinning as a technique to produce ultrafine polymeric fibers with outstanding properties for various applications like filtration, tissue engineering and drug delivery. It describes the electrospinning process which uses an electric field to draw charged polymer threads into fibers with diameters in the nanometer range. The presentation covers the history of electrospinning, the components of an electrospinning machine, important processing parameters, characterization techniques for analyzing electrospun fibers, and various applications of electrospun fibers in sectors like filtration, biomedical, protective clothing and drug delivery.