Science

Mechanical engineering is the best core branch among all engineering branches for government jobs as well as research.

In India, B.Sc, Agriculture is always demanding course. If you are eligible to study for the same you can give first priority to B.Sc in agriculture. Second option you can go for agricultural marketing, and third option you can go for business management.

Hello Pragik,
Here are a few colleges of Bangalore:
1.Presidency College
2.AIMS Institutes
3.Christ University
4.MS Ramaiah College of Arts Science & Commerce
5.The Oxford College of Science
6.CMR University
for more college follows the link
https://www.shiksha.com/it-software/colleges/bca-colleges-bangalore
COLLEGE IN CHANDIGARH
1.Goswami Ganesh Dutt Sanatan Dharam College
2.Post Graduate Government College
3.Gian Jyoti Institute of Management & Technology
4.MCM DAV College For Women
5.DAV College
6.Dev Samaj College for Women
For more colleges in Chandigarh, follow the link:
https://www.shiksha.com/it-software/colleges/bca-colleges-chandigarh
Thanks.

Yes, you can pursue zoology, you need to score overall 60-80% and 70-80% in biology for government colleges to get admission in B.Sc zoology (honors) and chemistry is needed as a compulsory subject at your HSC level.

Both are similar, they have no difference. MCA is a 3-year course and M.Sc is a 2-year course.