- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Visakhapatnam District of Andhra Pradesh
{(NIC : 08, 10, 11, 13, 14 and 16 to 26) (2008-2009)}
- Estimates of Principal Characteristics (2-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Visakhapatnam District of Andhra Pradesh
{(NIC : 27 to 33, 35, 37, 38, 45, 52, 58 and 96) (2008-2009)}