- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Chittoor District of Andhra Pradesh
{(NIC : 25, 27 to 32, 35, 38, 45, 52 and 58) (2008-2009)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Chittoor District of Andhra Pradesh
{(NIC : 10 to 24) (2008-2009)}