- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Prakasam District of Andhra Pradesh {(NIC : 01, 08, 10 to 13 and 16 to 21) (2015-2016)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Prakasam District of Andhra Pradesh {(NIC : 22 to 25, 28, 32, 35, 45, 52 and 82) (2015-2016)}