- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Kurnool District of Andhra Pradesh {(NIC : 27 to 29, 33, 35, 38, 45 and 52) (2008-2009)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Kurnool District of Andhra Pradesh {(NIC : 01, 10 to 13, 15, 17, 20, 22 to 25) (2008-2009)}