B.Tech

Electronics and communications engineering is one of the vast and rapid growing field of engineering. The fact that scope of ECE in India is not high with respect to corporate jobs is quite acceptable as compared to other branches like CS and IT , however still some private companies like Qualcomm ,

You would most probably have to clear your supplementary exam in Maths before you could be eligible for admission in B.Tech Biotechnology.

If you think you will be better off doing a course in B.Sc. (Hotel Management), and if your interests lie in Hotel Management, you should pursue your interests. However, since you have already taken admission in B.Tech you should weigh the pros and cons of leaving your B.Tech course midway, as B.Tec

Some of the top colleges for computer science engineering are mentioned in the link provided below:
https://www.shiksha.com/b-tech/ranking/top-computer-science-engineering-colleges-in-india/46-2-0-0-0

Hello! If you meant "specializations/streams" in MBA, you can pursue any as per your interests and career goals. https://www.shiksha.com/mba/articles/top-5-mba-specializations-in-india-blogId-3223 https://www.shiksha.com/mba/articles/top-10-mba-specializations-blogId-5284 Kindly visit these links

Hello Atharav,
I think, you can do B.Tech in top colleges like IIT or NIT. If suddenly, you get a job, you go aboard for study of M.Tech.
All the best.

Hello Shivam,
CTC for fresh Graduates differs greatly from Institutions to Institutions. It also varies from year to year. You can expect CTC of about 4-5 lakhs.