IIT Mandi is well known for its campus life and resourceful atmosphere. You will receive a great deal of respect as an IITian rather than a BITian. The placement support is comparatively high at BITS, Hyderabad. Over 25 lakh students get placed every year at BITS.
The branch of data science is limited as it only attracts a specific number of recruiters. If you wish for a branch change, you can definitely opt for IIT Mandi, and you can select CSE, which is a broad field that opens job opportunities in various fields. Hence, keep these factors in mind while selecting these colleges.