IIT Bhubaneswar and IIT Gandhinagar both are new IITs and have decent placement records so it’s hard to pick one institute over the other.
According to the NIRF Ranking 2020 (Engineering Category), IIT Bhubaneswar is ranked at 22nd place. The overall M.Tech placements percentage at this institute was close to 69% in 2019. The placement of M. Tech design is quite good too. The main recruiters included most of the PSU’s such as HPCL, Oil India Limited, IOCL, and MNCs like Goldman Sachs, Mahindra & Mahindra, Maruti Suzuki, etc.
IIT Gandhinagar is ranked 24th among the engineering colleges of India according to the NIRF Ranking 2020. The majority of placements offers at IIT Gandhinagar are made by PSU’s. Students also opt for different options according to their preferences about different careers.
But in the end, these are just some statistics that can change over time. So, you should make your decision according to your convenience.