Information Technology is anything to do with computers, servers, the Internet, or anything else that stors binary data.
IT may be.
This answer has two (2) parts. The first part has to do with the different tools and technologies that are generic to any industry, that is to say they are "industry agnostic" and are considered to...
no
Assuming that BE = Bachelor of Engineering versus a B Tech (Bachelor of Technology??? I would rate the BE better than a BT.