A Brief History of C.S.I. Cathedral, Madurai The C.S.I Cathedral which is considered to be the biggest Cathedral in South asia with the construction area of 20,000 sq.ft at Narimedu Madurai, in Gothic style combined with architectural elegance, a blend of Tamil culture and Theologycal significance was built to the glory of god and for the service of humanity and dedicated on the Easter Day the 30th March, 1986 by the then C.S.I. Moderator Rt.Rev.Dr.I.Jesudasan.