Ness Wadia College of Commerce

The fee may vary from college to college government college have less fee and in private college, the fee is more. So, I suggest you do it from government college.

It may be impossible.
There may be high ranking cut offs.
Even a student scored above 90 % get Admission very difficultly.

Fees will be approximately 40-50k for this course and expected salary may be 3.6 LPA.

Dear Aman,
The entrance exam dates for the college exams are not yet been announced but you can mark the important dates to submit your application for the course entrance exams. Please keep in mind the start and end date to submit your online application for the course.
BBA (HFM) Online Application

Every university and every different colleges have their own personal criteria and eligibility for admissions of students in BBA undergraduate degree (3 years).
You can more search about it on shiksha.com as according to your favourite locality and colleges.

You have done your HSC, therefore you are eligible to pursue BBA (3-year). Admission depends upon the ranking of the applicant.

It will cost you around 1.25 lakhs for this course from this college.

Yes, you are eligible to get admissions.
As the criteria is only 50% to get into it.
Thus, as you gave secured 67% you'll get into it.
Just follow the necessary procedure.