BITS Pilani has an effective placement support system, especially in the CSE branch, but in the long run, Energy Engineering at IIT Bombay is the best option. CSE is becoming outdated, and you will end up jobless. So, it is better to go with Energy engineering, which may have a lot more opportunities in the future as it majorly focuses on renewable technologies, economics, and management.
The add-on advantage of IIT Bombay over BITS is the DS Centre, which is for students who want to pursue entrepreneurship and SINE, which helps to build up your own company
So, go with the option IIT Bombay in Energy Engineering