- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Chittoor District of Andhra Pradesh
{(NIC : 25 to 32, 35, 36, 45 and 52) (2013-2014)}
- 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) (2013-2014)}