Sunday school :- was conducted regularly from the beginning of our church. Our Sunday school is one of the best Sunday schools in the Diocese. Mr. K.V Varghese and Mr. M.A Chandy served the Sunday school as teachers and Headmasters for more than half a century. Now Mr. K.G. Mathewkutty, Karimoottil has been serving as the headmaster. Youth Movement :- The Youth Movement in Mundiappally is one of the best Youth Movements in the Diocese. It started functioning from 1947. Our Youth Movement produced several eminent persons like Prof. George Koshy & Prof. Ninan Koshy whom served as the Secretary of the CSI Synod and as the Director of International Affairs of the World Christian Council respectively. Now one of our members, Sam.V. Jacob is working as the Regional Secretary of the Youth Movement. In the year 2006 our Youth Movement is celebrating it's Platinum. Jubilee. Choir :- The Church Choir was started in 1948 by the then vicar Rev. K.P. Philip. Now our choir is one of the best choirs in the Diocese. In the recent years, they were able to release to cassettes and CD's. Women's Fellowship :- Women's Fellowship is functioning smoothly. They are conducting fellowship meetings on every Tuesdays in the different wards. The common meeting is conducted on every Saturdays at 3.30 p.m. in the Parish Hall. Almaya Fellowship :- Almaya Fellowship is holding it's meeting regularly and participating in District and Diocesan level meetings. Gospel Work :- Mundiappally Church gives top priority in missionary work. We are sponsoring 13 Missionaries in the different parts of India. Some of them are working in the different Mission Fields namely Rayalaseema, Thekkumattala, Parakal and Andhra under the different Dioceses of C.S.I. and some others are working as missionaries of various organisations namely F.M.P.B, I.E.M, Viswavani, Missions India, Every Home Crusade, Tribal Mission and the Charkari Mission. Besides we are helping the Mysore Mission. Rayalassema Mission :- The Rayalassema Mission is the pioneer mission of our parish. Our parish was planning to sponsor a missionary of the Parakkal Mission when Rev. P.D John was the vicar. The late Rt. Rev Dr. M.M John Bishop requested him to sponsor two lady missionaries to work among the women of Rayalassema Diocese. We accepted the request of John Thirumeni and sent two missionaries, Sr. Thankamma Sathyanathan and Sr. Rachel. Later Sr. Thankamma Sathyanathan's services were needed by the sisterhood of the Diocese to work in Bethelashram at Parakkal. So we send the first missionary from our parish Smt. Ammini Paulose , Thuruthumala to Rayalassema Diocese. Smt. Ammini Philipose :- She worked earnestly in the Rayalassema Diocese. The Bishop of the Rayalassema Diocese appreciated her services. Later she was ordained as a sister of the C.S.I. When the Rayalassema Diocese was bifurcated, as Rayalassema and Nandyal Diocese, she became a missionary of the Nandyal Diocese. Cottage Prayer :- Our parish is divided into seven area groups. In each area, group prayers are conducted on Sundays at 8 A.M. All are participating in the prayers in their respective areas. Conferences :- Our Parish hosted District level conferences of the Youth movement, Sunday school and Women's Fellowship. Diocesan Youth Conference :- Diocesan Youth Conference was held here in the year 1999. The conference was a great success. We are very much thankful to the able leadership given by Rev. Dr. P.K. Kuruvilla for the success of the conference. Diocesan Sunday school Conference :- Diocesan Sunday school Conference was held in our church in 2003. Sunday school students and teachers from the different parishes of our Diocese attended the conference. This conference was held during the time of Rev. Dr. P.K. Kuruvilla and was a great success. Social Activities :- Our parish takes great interest in Social activities. Educational Aid :- Financial assistance is given to the needy students without any discrimination for their education. Financial assistance is given for the treatment of the needy and the sick. House Construction :- Seven houses were constructed and given to our members. One house was constructed for a non-Christian by the Youth movement. Community Marriage (Samooha Vivaham) :- Five couples were united in holy matrimony in our church under the auspices of the Youth Movement with the help of our members here and abroad. Endowments :- Now there are 48 Endowments given by our members. The interest accrued from these Endowments are given for various purposes like Educational Aid, Merit Scholarship, Missionary work, and financial help for the marriage of the needy ones, Sunday school and prizes for the rank holders of the different classes in our High school. C.S.I Marthoma Joint Worship :- According to the request of the C.S.I, C.N.I, Marthoma Joint Council, we have been conducting joint worship since 2002. The Mundiappally C.S.I church and the Immanuel Marthoma Church, Eraviperoor are participating in the joint worship. C.S.I communion service was celebrated in Eraviperoor Immanuel Marthoma church and the Marthoma Communion Service was celebrated in Mundiappally. Eco-Club :- The C.S.I church is taking much interest in Ecological matters and all of the C.S.I Dioceses are participating in this. Our Madhya Kerala Diocese also took active steps in preserving the environment and declared 2005 as 'Green Parish Year'. In our parish, under the initiation of the Youth movement, we have started an Eco-Club. Prof. Susy Abraham is working as the Convener of the club. Different activities are being conducted under the auspices of the Eco-Club. We are happy to mention here that our parish was selected at the Synod level for the Green 'Parish Award'.