Create beamer presentations with Emacs org-mode

I prefer emacs org-mode for most of my work; recently, I figured out that it is great for beamer presentations too. I use the following template,

#+TITLE: <title>
#+AUTHOR: <author>

#+STARTUP: beamer
#+BEAMER_THEME: Madrid
#+OPTIONS: H:2 toc:t

Follow the steps mentioned below to export beamer presentation as PDF,

1. Load library ox-beamer
2. Export as PDF using option C-e-l-P