The vast Arch Diocese of Changanassery, spreading up to Tamilnadu border was divided by a decree of Pope Paul VI dated 28/02/1977,forming Kanjirappally Diocese and this turn necessitated the bifurcation of F.C.C. Deva Matha Province Changanassery for various reasons. Rev.Mother Maurus the Superior General and Rev.Mother Sales the Provincial Superior of Changanassery Province made arrangements for the formation of the new Vice Province which was inaugrated at Velichiani convent on Ist January 1978 at a ceremony conducted under the presidentship of His Exellency Mar Joseph Powathil the first Bishop of Kanjirappally.The new vice province  was named St.Thomas Vice Province Kanjirappally by Rev. Mother Maurus according to the suggestion of His Excellency Mar Joseph Powathil in

honour of St.Thomas the Apostle of India who had set foot at Nilakal in the Diocese of Kanjirappally. The Vice Province consisted of 10 houses and 203 sisters.In the General Synaxis held on 03/02/1980, theVice Province was promoted to the staus of an independent Province. The first Provincial Synaxis which held from 1st-3rd April 1980 elected Rev.Sr.Sales the first Provincial Superior of the Province. At present, Rev.Sr.Amala is the Provincial Superior of this Province. Now the province has 277Sisters, 28 convents and 5 residential houses in abroad.The sisters are engaged in various apostolic activities like education, health care, social welfare activities, counselling and parish work.