M.Tech

check the complete detail related to college and CSE branch in the link provided
https://www.shiksha.com/university/jaypee-institute-of-information-technology-noida-20383

This is not sure, because it will totally depend on you and your knowledge, degree cannot decide your job, and your knowledge decided your future career. So, look at your talent and find your best career.

I request you to not restrict yourself to biotechnology. I think you should take both bio and maths. But, clear bio/ maths with just passing marks. Most importantly maths when you are interested in biotechnology. You can also take biotechnology and maths in your school, if they offer biotechnology in class 11th.

Hi - for Canada you can apply for your Masters directly - GRE is not mandatory though some Universities ask for this. However for most MBA courses you will need a GMAT score and work experience. A very few institutions do accept without GMAT and work experience.

Moshin, doing B.Tech with Arts stream is not possible but what you can do is you can take admission on basis of class 10 in Diploma.
In fact universities like LPU, MMU, MVN,etc are offering Integrated Diploma-B.Tech course that will enable you to do B.Tech.
All these private universities are hub of quality education with good placements. Some of them even offer good scholarships.
Check their websites for more details
Good Luck.