Rt. Rev. Alexander Mar Theophilose Episcopa (Alexander Marthoma) took charge of the diocese. He strengthened and ordered the parish activities under the diocese
|1968 – 1976||
Rt. Rev. Philipose Mar Chrisostom Episcopa (the present valiya metropolitan)
Rt. Rev. Joseph Mar Ireneus Episcopa (Joseph Marthoma)
1n 1980, the diocese was divided into two thiruvananthapuram – Kollam and Adoor –Thumpamon for effective administration
|1980 – 1985||
Rt. Rev. Zacharias Mar Theophilose Episcopa (Zacharias Mar Theophilose Sufragen Metropolitan)
Rt. Rev. Easow Mar Thimotheos Episcopa
Constructed new quarters for Vicar General. Rev. C.I Varghese was in charge of the construction
Rt. Rev. Philipose Mar Chrisostom Episcopa (the present Valiya Metropolitan) took charge again. As there was maintenance in Aramana building, Thirumeni stayed in the Vicar general quarters. At this time, diocese could buy a land near Aramana for Easow Mar Thimotheos meditation centre.
|1990 – 1997||
Rt. Rev. Euyakim Mar Coorilose Episcopa
Completed the maintenance work of the aramana. Constructed Easow Mar thimothos spirituality centre. Bought the land in front of the spirituality centre for convention nagar.
Rt. Rev. Joseph Mar Ireneus Episcopa (Joseph Marthoma) took charge again.
Adoor – Thumpamon diocese was divided and renamed as Adoor – Mavelikkara and Chengannur – Thumpamon. At this time, the financial crisis of the diocese was solved and the diocese became self-dependent. Roofing of the convention nagar was done. Nursing school was started at St. Thomas Mission hospital, Kattanam
|2009- onwards||R. Rev. Joseph Mar Barnabas Episcopa|