Formation Year - 1962 Area  -  23.52 Sq.Km District -  Idukki Block  - Thodupuzha Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Thodupuzha

Area  -  31.03 Sq.Km District -  Idukki Block  - Nedumkandam Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Nedumkandam

Area  -  38.15 Sq.Km District -  Idukki Block  - Nedumkandam Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Nedumkandam

Formation Year - 1958 Area  -  78.71 Sq.Km District -  Idukki Block  - Devikulam Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Devikulam

Formation Year - 1971 Area  -  40.948 Sq.Km District -  Idukki Block  - Nedumkandam Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Nedumkandam

Formation Year - 1958 Area  -  84 Sq.Km District -  Idukki Block  - Nedumkandam Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Nedumkandam

Area  -  87 Sq.Km District -  Idukki Block  - Elemdesam Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Elemdesam

Formation Year - 1952 Area  -  135 Sq.Km District -  Idukki Block  - Kattappana Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Kattappana

Area  -  91.85 Sq.Km District -  Idukki Block  - Kattappana Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Kattappana  

Formation Year - 1951 Area  -  91.85 Sq.Km District -  Idukki Block  - Azhutha Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Azhutha

Formation Year - 1976 Area  - 63.28 Sq.Km District -  Idukki Block  - Elemdesam Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Elemdesam

Area  - 80.90 Sq.Km District -  Idukki Block  -  Idukki Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Idukki