Science

The minimum qualification for hotel management entrance exam is 10+2 with science. The knowledge of English is very essential in hotel industry and thus English is also a compulsory required subject as per qualification required for entrance exam. The medium of entrance exam may be either English or Hindi. Questions in entrance exam is Multiple choice questions in subject of English, General Science, General Knowledge, Reasoning etc. If after graduation you are entering in this field than there is possibility that you can find good position in this field.

Wow. In most basic form, Mathematics is study of numbers and calculations through the use of formulas.

All the National law universities to be exact. Especially the top 5 would be great. Do upvote and follow me, if my answer helped you!

No it's differ B.Tech has high fees as compare to integrated M.Sc.

After B.Sc it does not.
But yes, if you have completed your M.Sc in any course, then the college will definitely provide you with placements.

Please check for your eligibility to appear for the IISER 2018 from the criteria mentioned at the link provided below:
https://www.shiksha.com/science/exams/iiser-entrance-exam.

JEE Mains 2018 College Predictor
Use your JEE Mains 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 JEE Mains 2017
Get resources & insights on colleges & courses
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

Electronics from NIT (J). Look, first of all NIT has more reputation than thapar. Though Teaching of thapar is more better than NIT, but Thapar's standard is decreasing day by day. Plus, fees gap between two is so high!
I would suggest, NITJ.