Some colleges offer BE CS and some offer B.Tech CS. Which one is better?

Both are same. Both are engineering courses. Verbally we can say B.Tech is more skill oriented. BE is knowledge oriented. But, when it come in to market both are equal. Now, coming to the question, which one is better? Both are equally better. It totally depend on how you learn things.

In simple words, BE is knowledge oriented. B.Tech is skill oriented. There is no difference between these two degree courses BE and B.Tech. Both are engineering degrees and their scope and value are the same. You will never be rejected higher education or a job just because you are a BE and not a B.