- Principal Characteristics (3-Digit Level Classification-NIC 98) under Annual Survey of Industries in Alwar District of Rajasthan (2005-2006) - Part II
- Principal Characteristics (3-Digit Level Classification-NIC 98) under Annual Survey of Industries in Alwar District of Rajasthan (2005-2006) - Part III
- Principal Characteristics (3-Digit Level Classification-NIC 98) under Annual Survey of Industries in Alwar District of Rajasthan (2005-2006) - Part I