Management fiked or MBA equivalent degree invites candidates from any Specialization viz, BBA, Btech, Bcom, BMS, MBBS, LLB, BMM, BAF, BMM,etc. However, The trends suggest Engineering degree and Management degree as combination is highly in deamnd which gives exposure to both aspects. Engineering from reputed college in top100 is recommended. You can take up BBA as well if from commerce stream. For MBA exam, CAT is the most accepted exam in majority of colleges and hence Sime preparation tips are given below as to planning the right time to start. https://bschool.careers360.com/exams/cat&ved=0ahUKEwjr0O3XvK7XAhXCQ48KHeYXC_MQFggoMAA&usg=AOvVaw0WGtiQe_DqSNQSEEbxSdmI https://bschool.careers360.com/colleges/ranking/2017 You need valid graduation degree with minimal 50 percebt marks and valid CAT score for MBA degree. You can alternatively give competitive exams for management like SNAP/CMAT/MAT/GMAT/MICAT/TISSNET/XAT.

If you are interested for MBA programmes then after 12th you can go any of the graduation field like BBA, B.tech, B.com etc. as per your interest & 12th Stream. To get admission in top colleges for MBA,  You need to appear the Entrance examination like CAT, MAT, CMAT etc. after graduation or during the final year of Graduation.
The minimum score in graduation should be 50% to apply for CAT, CMAT as a general category But there is no any such criteria for other examination like XAT, MAT. You can also refer the article with below given link for MBA entrance exam.

Top MBA entrance Exam
If you go one of these B.Com or BBA programmes then MBA is some easy for you because main and important portion of MBA you will read in these Graduation Degrees. and B.tech graduation programme + MBA  after 12th will help you to gain a technical & practical knowledge along with Management skills.

Apart from cutoffs, There are various criteria for shortlisting and selection after clearing the entrance exam with good score such as past academic records, Extra curricular activity, work experience etc.

so After graduation if you have work experience to apply for MBA then it will make a difference to your credential to get admission in top colleges like IIM and ISB.

 

Good Luck!