This document provides a summary of a presentation on group bargaining behavior and inter-group relations given by Rachna Kralia and Ruhi Beri. It defines groups, discusses formal and informal groups, and the five stages of group development. It also examines group properties such as roles, norms, status, and cohesiveness. Regarding bargaining, it distinguishes between distributive and integrative bargaining approaches and behaviors. Finally, it analyzes inter-group relations and theories like social identity theory, as well as ways to reduce prejudice such as through the contact hypothesis and common in-group identity model.