What about mtech in design or thermal in iit bbsr

These two branch are most popular in GATE ME aspirant because of its scope in future. As industries are getting transformed day by day. The demand for M.Tech. in Design holder is increasing.
Same for Thermal Engineering branch, lots of investment are taking place in indian thermal energy sector.
Once the Result get declared then you can predict your exact score. Till now, there is quite high chance that you can get admission in M.tech. at IITBBS as per your desired branch.
Hope for best!