Formation Year - 1953 Area  -  816.73 Sq.Km District -  Idukki Block  - Azhutha Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Azhutha

Formation Year - 1958 Area  -  20 Sq.Km District -  Idukki Block  - Thodupuzha Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Thodupuzha  

Area  -  123 Sq.Km District -  Idukki Block  - Devikulam Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Devikulam

Formation Year - 1953 Area  -  108.7 Sq.Km District -  Idukki Block  - Devikulam Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Devikulam

Area  -  32.18 Sq.Km District -  Idukki Block  - Idukki Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Idukki

Formation Year - 1961 Area  -  187 Sq.Km District -  Idukki Block  - Devikulam Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Devikulam

Area  -  25.44 Sq.Km District -  Idukki Block  - Thodupuzha Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Thodupuzha

Formation Year - 1968 Area  -  71.95 Sq.Km District -  Idukki Block  - Nedumkandam Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Nedumkandam

Formation Year - 1953 Area  -  67.47 Sq.Km District -  Idukki Block  - Adimaly Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Adimaly

Formation Year - 1962 Area  -  44.64 Sq.Km District -  Idukki Block  - Nedumkandam Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Nedumkandam

Formation Year - 1953 Area  -  114.75 Sq.Km District -  Idukki Block  - Azhutha Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Azhutha

Formation Year - 1953 Area  -  57.36 Sq.Km District -  Idukki Block  - Azhutha Nearest Railway Station  -  Kottayam Railway Station Nearest Airport  -  Cochin International Airport (COK) Nearest City  - Azhutha