This document lists the top 20 Chartered Accountancy (CA) firms in India in 2015 based on revenue, brand value, and international affiliations. The top 5 firms are Deloitte, PwC, Ernst & Young, KPMG, and BDO International. All of these top firms are among the largest professional services networks worldwide and have a strong international presence through affiliations with other top audit firms globally. The list provides addresses and websites for each of the 20 firms.