- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 08) under Annual Survey of Industries in Guntur District of Andhra Pradesh {(NIC : 24 to 25, 27 to 29, 31 to 33, 35, 45 and 52) (2009-2010)}
- 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 16 to 23) (2009-2010)}