Marthandam Integrated Development Society is the Social Apostolate of the Diocese of Marthandam formed in the year 1997. Most Rev.Vincent Mar Paulos, Bishop of Marthandam is the president of the organization. Rev. Fr. John Kumar K. is the director of MIDS. MIDS operational area is the Kanyakumari-District of Tamilnadu. MIDS operational area is divided into three regions namely, Kalikkavilai, Marthandam and Nagercoil.

MIDS is a registered organization under Indian Trust act. It is permitted to receive foreign contributions under FCRA (Foreign Contribution Regulation Act) and is exempted from Income Tax under 12AA of IT Act. The organization is applied for receiving 80 G certificate from the Income Tax.