The institutions are set of rules, compliance procedures, and moral and ethical behavioral norms. It is the rules of the game in a society or, more formally, are the humanly devised constraints that shape human interaction. It consists of formal legal rules and the informal social norms that govern individual behaviour and structure of social interactions. This paper aims to analyse the institutional arrangements of presently functioning SHGs in general and SHG Coordination Committees in Imphal East district, Manipur, India in particular. Institutions reduce uncertainty by providing a structure to everyday life to such organisations. They provide better way to human interaction. The Study has identified that peer Centrol, Mutual Trust, Collective Decision and Collective Repsonsibility are created by SHGs Coordination Committees as institutions in SHGs. These institutions have brought successful functioning of Women SHGs in Imphal East District of Manipur. KEY WORDS: Self Help Groups, SHGs Coordination Committee, Institution,Institutional arrangement.