- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 08) under Annual Survey of Industries in Guntur District of Andhra Pradesh {(NIC : 23 to 25, 27 to 29, 31 to 33, 35, 45 and 52) (2010-2011)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 08) under Annual Survey of Industries in Guntur District of Andhra Pradesh {(NIC : 01, 10 to 13 and 15 to 22) (2010-2011)}