One of my friends graduated from BITS Pilani and he scored a good CGPA of 9.2 in his 4th year of CSE. Following points are a few facts about the institute that might help you:
For any junior, I would advise them on attending as many classes as possible. You can skip the humanities and open electives but not your core subjects. Make sure even if you miss out on the classes, you cover the syllabus through self-study.