- 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 to 18 and 20 to 24) (2020-2021)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Thiruvananthapuram District of Kerala
{(NIC : 25 to 28 and 30 to 33) (2020-2021)}