- Estimates of Principal Characteristics (3-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Kannur District of Kerala {(NIC : 103, 104, 105, 106, 107, 110, 120, 131, 139, 141, 143, 151 and 152 ) (2019-2020)}
- Estimates of Principal Characteristics (3-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Kannur District of Kerala {(NIC : 251, 259, 261, 271, 282, 301, 310, 321, 323 and 325) (2019-2020)}
- Estimates of Principal Characteristics (3-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Kannur District of Kerala {(NIC : 161, 162, 170, 181, 192, 201, 202, 210, 221, 222, 231, 239 and 241) (2019-2020)}