BITS have BE,that is Bachelor of Engineering.

Firstly,BE is Bachelor of Engineering whereas BTech is Bachelor of Technology.

while we talk of engineering,it deals in more of theoretical concepts,whereas Technology deals in more of Applications.

For more clarifications,refer to the link given below:-

https://www.quora.com/What-is-the-differance-between-B-E-course-and-B-tech-Course