This document provides an overview of different types of beers categorized by their production method, color, and other characteristics. It discusses the two main categories - lager and ale - and some of their substyles like pale lager, bock, India pale ale, porter, and stout. For each substyle, details are given on color, flavor profile, and examples. The top beer brands in India and globally are also listed. Quality control measures for beer include monitoring temperature, pH, oxygen during brewing along with instrumentation, sensory programs, and proper methods.