CML is a missionary movement was established as an indigenous lay organization on 3rd October 1947 at Bharananganam, Kerala, South India. It has grown as the biggest Missionary Organisation for Laity in Asia. Though CML was started to kindle the mission spirit and mission activities after the independence of India, it has proved to be very effective and fruitful in the service of the Church. In the present context of the Eparchy of Great Britain of the Syro Malabar faithful, being missionaries, organizations like CML is necessary for the spiritual formation of the young generations. With the motto of Love, sacrifice, service and suffering, CML nurture virtuous life and ignite true missionary spirit in the young members of the family.