BBA

Eligibility for BBA in Ravenshaw University is that candidate must have 10+2 (minimum of 50%). Admission is through counseling based on the score obtained in 10+2.

Kindly be specific.

Yes, you can do BBA in airport management after doing Diploma in ECE because for BBA what is needed is 12th or any equivalent without any specific subject. The course of airport management has scope in aviation and flying. However, before that you should be a graduate in a particular stream from a recognised college or certified institute. Other BBA specializations like oil and gas management, and financial marketing also have good scope.

You can do MBA executive as now it has good career prospects and it will help you to enhance your professional standards. Experience is must for EMBA.

In first year you have to pay 1,11,000 INR for BBA course.

Yes, you can get the admission in BBA. You only have to clear the entrance test.

Both universities are best you can go for any of them both have good infrastructure, faculty, placements, etc.

You can check the respective college's information for fee structure and seats. You can look at the below link for institutes offering BBA in Aviation-
https://www.shiksha.com/bba/course/bba-in-aviation-management-institute-of-logistics-and-aviation-management-ilam-andheri-east-Mumbai-281036

Yes, Heritage is one of best colleges in Kolkata.
Check here:
https://www.shiksha.com/college/the-heritage-college-kolkata-52716