Which one is better to pursue among correspondence B.Sc + CAT preparation and BBA + CAT preparation? I want to pursue MBA from IIM.

Yes, according to the GITAM School of Management MBA cutoff 2025 via the CAT entrance examination, you could get into this institute if you belong to the General AI category. 

The aforementioned category had an estimated qualifying percentile of 70 in 2025. Admission for this category candidates

Yes, admissions in MBA at AIM-Assam are possible without CAT. The institute accepts other exams like CMAT/MAT/XAT and ATMA. Students can appear for entrance and fill the application form on official website. The university selects students on the basis of merit. Selected students have to appear for

KMAT, and Karnataka PGCET are the accepted entrance examinations at Jyoti Nivas College. Students who wish to get admissions must clear all the entrance examinations for admissions. 

Jaipuria Institute of Management can get admission in PGDM programme without CAT scores. CAT is one of the accepting exams for admission. However, aspirants with MAT, XAT or CMAT scores can also get admission in PGDM provided they also meet the eligibility criteria.