Mumbai

If you like accounts, you should definitely pursue B.Com with accounting honours.

For B.Tech, maths is a compulsory subject.

Please specify the course in which you are seeking information so that I may be able to populate relevant details. Use the NCHMCT 2018 predictor mentioned at the link provided below to predict colleges and courses in which you are eligible for admission. https://www.shiksha.com/hospitality-travel/resources/nchmct-college-predictor.

http://www.vobium.com/in/s/courses/health-wellness-fitness/therapy/Learn-aromatherapy/Location-mh-mumbai
For Mumbai, best course you can visit the upper site.
https://www.aromahead.com/courses/online
And, this is the online course for aroma therapy

First, you have to try getting admission through CAP round.

There are over 4 B.Tech in Automobile Engineering colleges in Mumbai (All) Offering 6 Courses. Check the list of all B.Tech in Automobile Engineering colleges/institutes in Mumbai listed on Shiksha. Get all information related to admissions, fees, courses, placements, reviews & more on B.Tech in Automobile Engineering colleges in Mumbai to help you decide which college you should be targeting for B.Tech in Automobile Engineering admissions in Mumbai at the link provided below:
https://www.shiksha.com/b-tech/colleges/b-tech-in-automobile-engineering-colleges-Mumbai-all.

https://www.shiksha.com/mba/colleges/mba-in-international-business-colleges-Mumbai
Hope this helps.

See, if you want to join any college through institute quota then you have to only pay the donation and you don't need to worry about the marks.

NCHMCT 2018 College Predictor
Use your NCHMCT 2018 rank to see where you can get admission at the link provided below:
See the courses, colleges & rounds you may crack.
The result is based on admissions data of NCHMCT 2017.
Get resources & insights on colleges & courses:
https://www.shiksha.com/hospitality-travel/resources/nchmct-college-predictor