Computers & IT (Non-Engg)

Institute Of Management Studies - [IMS], Noida
Lingaya's University, Faridabad
Vivekananda Institute Of Professional Studies - [VIPS], New Delhi
JSS Academy Of Technical Education - [JSSATE], Noida
are the top MCA colleges / universities based on placements in Delhi & Noida.

For creating a website or app, you should learn PHP, Html5, Ruby, CSS, Python, etc. Swift, Java, etc. !
Good Luck!

Both the courses have different curriculum!
Biotechnology is a combination of biology and technology and it is an applied Science whereas BCA is a computer application degree, where you have to learn about programming, network & security, data structure etc.
Both has huge scope in their respective fields. Choose upon your interest!
Good Luck!

Go for VLSI, you'll be learning new things your entire life, and your salary will too be increasing ever. Go for Embedded, innovations are awaiting. It's the road less taken than the other two, but it's worth that. Go for Networking if you're typical non-core, and software interested type.

BCA with dual specialisation in mobile application and cloud technology is for sure a field with immense scope, now and in the future. As we all know, today mobile apps are becoming a must have for each and everyone of us. For every single thing, mobile apps are there to help us out. And then comes cloud computing which is the talk of the town. There's no need to worry about the scope of this field. After graduation you'll get a number of openings in the same field with decent salary package. Check out the link below for colleges:
https://www.shiksha.com/it-software/ranking/top-bca-colleges-in-Pune/96-2-0-174-0.

Yes, you can do MS from any country. Just keep in mind. You should have a great score in foreign entrance exam like ex (GRE) and should have good command in English because English matter and also, I would like to say lookout for scholarship it will help you a lot, and can free you from tuition's fee burden.

B.Tech biotechnology is a far better option than BCA. It is a new field and has more scopes.

Placements: Amity has a great placement record and I am sure seniors and my batch members will have good placements, the percentage of students were placed at 80%, the highest salary offered 12 is LPA, the lowest salary offered is 4 LPA and the average salary offered is 7 LPA.
The companies are Sun Pharma, Ranbaxy, etc.
Internship:
Yes, our college provides the internship. In our first year, internships were provided inside the campus in which all the students were given a topic by there faculty guide and they had to prepare a research paper on that.