Each University has its own merits and BITS Pilani is well acclaimed globally and a lot of universities abroad see it as highly popular. Students from BITS are given good opportunities.
Both institutes have a good rate of 96-100% placements and the average package at VIT is about INR 5.4 LPA whereas at BITS it is about INR 11.2 LPA. After this quick overview, I hope you will be able to choose the best college for yourself.