CHASS Credit Union is a micro finance development cum informal community banking promoted by CHASS in its operational area in the year 1987, which has now become a well-oiled credit union programme networked by 162 village credit unions making the rural economy vibrant. This also provides a significant mass base for the society in all its participatory processes of community development. CHASS credit union covers 162 villages of Changanacherry Social Service Society and more than 63420 families and 1160 SHGs are direct members of this grassroot network.