Taking humanity in his/her integrity, the Diocese does not fail to look into the social needs of the people. It carries out the social activities through two societies - KMSSS (Kumbakonam Multipurpose Social Service Society) and PSSS (Perambalur Social Service Society). The social works are carried out irrespective of caste and creed having the objective to help the people help themselves. Saving schemes, motivation and awareness programmes etc are some of their thrusts.

The Kumbakonam Multipurpose Social Service Society is a Diocesan Organisation, registered in 1973 with the following objectives.
To perform works of charity for those in need, irrespective of caste, race, community or creed.
To engage in Social service activities aimed at improving the living conditions and general welfare of the poor, particularly farmers, as well as poor and indigent persons.

Catholic Relief Service - Food for Work, Mother and Child Health Education, Nursery, School Children and Children feeding, Individual health care services were rendered.
Eco friendly programs of land levelling, deepening of wells, tanks, ponds, lakes and bund construction for irrigation canals, approach roads were formed.
Economic development programs for massive relief operations for the victims of 1977-78 cyclone.
Indian Overseas Bank and KMSSS "Joint Venture" People participatory development programs for marginal farmers, land less labourers. Income generation activities such as small business, milch animals Goat rearing and joint farming are promoted.

The aims and objectives of the Perambalur Social Service Society are:

1.To perform works of charity for those in need Irrespective of race, caste, community or creed.
2.To carry our Social Service Activities aimed are Improving the living conditions and general welfare of the poor, particularly unemployed farmers and other Working people, as well as poor and indigent persons Of whatever occupations irrespective of race, caste, Community or creed.
3.To establish a Social Order of Justice, Peace and Love Among people.
4.To create a state of total integral development of the Weaker and disadvantaged people.
5.To undertake welfare activities for the growth and Development of children and women.
6.To organize people and develop local leadership to Enhance their social, economical, ecological and Cultural status with their participation.
7.To initiate and promote formal and non-formal Education programmes to nonscientist their rights and Responsibilities for development.
8.To co-operate and collaborate with the existing Financial institutions for promotion of economic Development.
9.To establish institutional base for the people's Economic growth through sagas, savings, credit Unions and cooperatives.
10.To organize awareness and animation activities for People's participation.
11.To enlist join efforts with voluntary and Government Agencies in and abroad for relief, welfare and Developmental activities.
l2.To ensure an increasing participation and empowerment Is grass roar level?
13.To engage in income generation activities for Promoting the tarter people living condition for Furtherance of the objectives of the society.
14.To carryout programmes for welfare and rehabilitation Of the socially, physically and mentally retarded People, orphans and widows.v 15.To support and encourage all charitable and human Enterprises in the field of agriculture, education and Community health.
16.To encourage, promote, acquire, develop and distribute Resources of all kinds.
17.To undertake skill development vocational courses for Seem illiterate, school drop-out and unemployed Youths.
18.To promote the object of the society shall Establish, conduct, manage, promote, equip, Administer, closedown or dispose off, social welfare Centres, training centres, technical schools, Dispensaries, hospitals, clubs, wore guilds social Institutes, recreational centres, orphanages, reading Rooms, study circles, nurseries, schools and other Related institutions.