This document provides recommendations for the best books to refer to for each subject area for the CLAT PG 2023 exam. It lists popular titles for Constitutional Law, Law of Torts, Administrative Law, Criminal Law, Family Law, Labour and Industrial Law, Property Law, Public International Law, Jurisprudence, Company Law, Intellectual Property Law, Tax Law, Law of Contracts, and Environmental Law. For each subject, it provides 3-5 highly regarded textbook or reference options written by established authors.