2K views · 33 reactions | In this lesson, Shreyaa will cover the most important current affairs issues pertaining to science and technology which will greatly aid UPSC 2018 preparation. Download the Unacademy Learning App from the Google Play Store here:- https://goo.gl/02OhYI Download the Unacademy Educator app from the Google Play Store here: https://goo.gl/H4LGHE Do Subscribe and be a part of the community for more such lessons here: https://goo.gl/gycFVs | Unacademy | Facebook