I got 83.4 in 12 CBSE with PCM but 44 in jee and 88 out of 200 in CET so, what should I have to do as I am interested in CAT to get into IIM

Not CAT necessarily, but still, you need to take a national-level entrance exam required for MBA admissions.

Most IIMs require a CAT percentile of 90 to 99 for MBA in Business Analytics. Private colleges like Great Lakes and NMIMS accept scores between the 70th and 85th percentile.

Yes, it is possible to get admissions at some of the top private MBA colleges in India with a low CAT score, between the 80th and 85th percentiles. These are some. 

 Note: All info. is from official sites and can change. 

Yes, students can get admission in Sandip University, Nashik without CAT. The university also accepts other national/ state CETs. These are MAT/ XAT/ State CETs. Students can also appear for the Sandip University Management Aptitude Test - SUMAT.

No, CAT is not a mandatory entrance exam for AMET University Powered by Emversity MBA admission. Candidates who are interested in MBA at AMET University Powered by Emversity are only required to clear any UG level course from a recognised board.

No entrance exams are mandatory for MBA at AMET Univers