what are the items that can be categorized as e-waste?

The following is the brief list of items that are categorized as e-waste

CPU & monitor,

Computer peripherals
Printers
Telecommunication equipments
Photocopy / Fax machines
Refrigerator & A/C Components
Other office automation products
Electric, Electronic tools
Wires & Cables,

Metal & Plastic cabinets
Electric, Electronic consumer products
Medical equipments / Monitoring systems
UPS Batteries

As few 'consumer electronic items' are not being grouped under this category the list is likely to grow.