- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Thiruvananthapuram District of Kerala
{(NIC : 10, 11, 13, 14, 16, 17, 18, 20, 21, 22, 23 and 24) (2019-2020)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Thiruvananthapuram District of Kerala
{(NIC : 25, 26, 27, 28, 30, 31, 32 and 33) (2019-2020)}