Admission to B.E. / B.Tech courses in Birla Institute of Technology is on the basis of AIR in JEE Main through CSAB/ JoSAA.
You can refer to the link below to check the admission criteria
Seat allotment of JoSAA has also been released. You can check seat allotment results.
In order to take admission in BITs for civil engineering, you are required to give an entrance test of BITSAT. for more information, please visit:
All the best!