Assam

There are over 5 travel and tourism colleges in Assam offering 10 courses. Please refer to the link provided below for a detailed list of these colleges. You should be able to navigate to a college of your choice using the filters on the web page.
https://www.shiksha.com/hospitality-travel/travel-tourism/colleges/colleges-assam

In Mumbai:
HR College
NM College
Podar College
SIES
These are supposed to be among the top. I have no idea about Guwahati.
Hope this helps.
All the best.

Yes, you are eligible.

As CEE Assam's last year cut-off for general category was under 100, so there are chances of you to get a good college. I am sharing a link where you will clear your doubts and can see last year cut-off of CEE Assam. You may get a good college. Good luck.

Important application dates for JLEE entrance exam 2018 are mentioned below:
Online application:- 3rd week of May 2018
Last date of receipt of completed application form with demand draft at DTE office:- Last week of May 2018
Regards.

Please check for your eligibility to pursue this course from Vivekananda College at the link provided below. Admission process for this course is also mentioned at this link.
https://www.shiksha.com/science/course/b-sc-hons-in-mathematics-vivekananda-college-vivek-vihar-delhi-258809

Your NEET score is a bit on the lower side. However, you can apply for admission to various medical institutes in Assam. There are over 596 Medicine & Health Sciences colleges in India Offering 3375 Courses. Please refer to the link provided below for a detailed list of these colleges. You can navigate to a college of your choice using the filters on the web page. https://www.shiksha.com/medicine-health-sciences/colleges/colleges-india.