India

IIT Kharagpur is the best. Then there is Jadavpur University and NIT, Durgapur after it.

Following are the good options for you:
1. Christ University, Bangalore
2. Symbiosis Distance MBA Programme, SCMS-Pune

Hi,
Kindly check out the link below and filter colleges according to your location:
https://www.shiksha.com/top-mechanical-engineering-colleges-in-india-rankingpage-48-2-0-0-0
https://www.shiksha.com/top-electronics-communication-engineering-colleges-in-india-rankingpage-45-2-0-0-0

The best options are the colleges under Delhi University. Here are some famous colleges:
1. Kirori Mal College
2. Hindu College
3. Ramjas College
4. St. Stephen's College
5. Miranda House (For girls)
6. Daulat Ram College (For girls)
7. SRCC (It is the best college for Economics)

No, you can apply without the West Bengal domicile too, you are not only eligible for Jadavpur University but also for other universities through WBJEE exam.

Central Institute of Education - University of Delhi is the best option. You can also go for these universities:
1. Jamia Milia Islamia
2. IGNOU (distance learning)

Hello Vineet Arora,
You can find the best biotechnology colleges in Delhi NCR (according to their rank) on this link with all the information:
https://medicine.shiksha.com/biotechnology-colleges-in-delhi-ncr-categorypage-5-136-1-0-0-10223-1-2-0-none-1-0

Hello Bhavuk Jain,
Please find a list of top colleges which offer BBA in Himachal Pradesh:
https://www.shiksha.com/bba/colleges/bba-bms-bbm-bbs-colleges-in-himachal-pradesh

Indian Institute of Science [IISC], Bangalore and National Institute of technology, Karnataka are the best colleges to pursue M.Tech in Karnataka.