- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Chittoor District of Andhra Pradesh {(NIC : 20 to 29) (2015-2016)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Chittoor District of Andhra Pradesh {(NIC : 30 to 32, 35, 36, 38, 45 and 52) (2015-2016)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Chittoor District of Andhra Pradesh {(NIC : 10 to 19) (2015-2016)}