The Diocese of Sivagangai is located at the southeast corner of Bay of Bengal, 45 km east of Madurai city, in Tamil Nadu, India.
It was established on July 25, 1987, bifurcated from the Archdiocese of Madurai. The Most Rev. S. Edward Francis was the First Bishop of the new Diocese and Bp. Jebamalai Susaimanickam succeeded him as the second bishop. On September 21, 2023, The Most Rev. Dr. Lourdu Anandam was announced as the third bishop of the diocese, and his episcopal consecration took place on November 26, 2023.
The territory of the diocese includes two civil districts Ramanathapuram and Sivagangai. , the total population of the area is 2,502,340 of which the Catholic population is 182,150 (5.8%) and still growing. 20 years after the diocese has 62 parish centers, 734 mission stations about 107 diocesan clergy, 19 religious order priests and over 350 religious men and women serving at various religious and educational institutions in the diocesan region.
First bishop was Edward Francis who served from 3 Jul 1987 until his retirement on 1 Sep 2005. He was succeeded by Rev Dr Jebamalai Susaimanickam, who served from 1 Sep 2005 until 25 Sep 2020 when he retired. The Most Rev. Dr. Lourdu Anandam is the third and current Bishop, having begun is term in 2023.