Hello Komal, For admission in BIT, Mesra you have to fulfill eligibility norms - 

(a) Candidates must have minimum 50% (45% for SC/ST/PwD) marks in Class X.

(b) Candidates must have passed Class XII* / Equivalent Qualifying Examination with minimum 50% (45% for SC/ST/PwD) marks with English as a subject in the qualifying examination. 

Selection process - selection will be made on the basis of marks obtained by the candidates in Class XII / Intermediate / equivalent qualifying examination.

The shortlisted candidates will be called for documents verification cum admission on the basis of their merit and data submitted by the candidates on their application forms for 1st round. The waitlisted candidates not called in 1st round may be called for documents verification cum admission process against the vacant seats, (if any), in successive rounds, as required. The same will also be intimated on the Institute website only as web notifications. No separate intimation will be sent to candidates.

Note: Admission will be offered subject to verification of original documents at the time of admission.

For further query be free to contact... All the Best

By BABA do you mean BBA?

The BBA programme of BIT Mesra is offered at BIT Off Campuses Jaipur, Lalpur, Noida and Patna only. You need to have copleted your class 12 at the time of application. Students appearing for Class 12 are not eligible to apply as you need to have your class 12 marks for application. Selection is based on your class 12/Intermediate or equivalent qualifying examination marks only. Application process normally starts at the end of April and closes in June. Please read Admission Brochure 2017 for more information.