Regency Estate Saidham Utsav Mandal is a non-profit organization registered under the Bombay Public Trust Act 1950. (Registration No. F/31593/THANE). After beginning its journey in the early 2010 RESUM has blossomed into an organization supporting the activities for noble-cause colossus that has attained local recognition in multiple streams of social cause campaign. Over the past 7 years, the Mandal has developed a large group of Volunteers in Regency Complex and has spread its wings within the vicinity of Regency Estate -Dombivli East. RESUM today is proud of organizing some of the finest social activities like Blood Donations Camp, Distribution of free books among needy school children, Tree Plantations, Swachh Bharat (Clean India) campaign, Educational & Carrier Guidance Seminars. While preserving traditional values, customs, traditions and cultural Heritage of our community and providing glimpses of various other cultures through entertainment of young, youth and all Cultural Programs has been playing a vital role.