- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Guntur District of Andhra Pradesh {(NIC : 24, 25, 27 to 29, 31 to 33, 35, 38, 45, 47 and 52) (2013-2014)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Guntur District of Andhra Pradesh {(NIC : 01, 10 to 23) (2013-2014)}