- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Idukki District of Kerala {(NIC : 10, 11, 15, 16, 20, 21, 22, 23, 27, 28 and 31) (2019-2020)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Idukki District of Kerala {(NIC : 10, 11, 15, 16, 20, 21, 22, 23, 27, 28 and 31) (2018-2019)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Idukki District of Kerala {(NIC : 10, 11, 13, 15, 16, 18, 20 to 23 and 27) (2017-2018)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Idukki District of Kerala {(NIC : 28, 31, 35 and 45) (2017-2018)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Idukki District of Kerala {(NIC : 10, 11, 13, 15, 16, 18 and 20 to 23) (2016-2017)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Idukki District of Kerala {(NIC : 27, 28, 31, 35 and 45) (2016-2017)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Idukki District of Kerala {(NIC : 10, 11, 13, 15, 16, 18 and 20 to 23) (2015-2016)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Idukki District of Kerala {(NIC : 27, 28, 31, 35 and 45) (2015-2016)}