- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Srikakulam District of Andhra Pradesh {(NIC : 08, 10, 11, 13, 16 to 18 and 20 to 25) (2012-2013)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Srikakulam District of Andhra Pradesh {(NIC : 27 to 29, 32, 35, 36, 45, 52 and 95) (2012-2013)}