CBSE 12th

First of all, you need to understand that specialization should be chosen on the basis of your interest in the field than anything else. For example, a lot of students choose Finance or Marketing as their specialization only to realize that they always loved operations or HR or something else. So figure out where your interest lies. There are many psychometric tests that can help you understand your areas of interest and what specialization might be the best for you. Deciding your specialization on the basis of your past academics is not the best way to go about it. Most of the people will probably tell you to take up Finance as you've done Economics in the past. But what if you like Marketing or some other specialization over Finance? Won't you take it up? To go about choosing your specialization, understand what each specialization really demands and the kind of opportunities available. Also, irrespective of your specialization, after a point of time in your career, you will be doing pretty much everything. Think of your short term, medium term, and long term plans (not concrete, but a fair idea) and then see if the specialization will equip you with the desired skills. All the best.

Courses after class 12th Science:
Courses for Mathematics group students
1 Technical Courses-
2 Science courses
3 Law courses
4 Management courses
5 Bachelor of Architecture
6 Designing courses
7 Physical Education courses
8 Fashion courses
9 B Pharmacy
10 Commercial Pilot Training
11 Other Bachelor's Degree and Diploma courses (even from other streams)
12 Education/Teaching courses
Courses for Biology Group students
1 Medicine- MBBS
2 Dental Science- BDS
3 Ayurveda- BAMS
4 Homeopathy- BHMS
5 B Pharmacy
6 Pharma.D
7 Bachelor of Physiotherapy
8 Unani- BUMS
9 Science courses
10 Diploma courses
11 Law courses
12 Management courses
13 Designing courses
14 Physical Education courses
15 Fashion courses
16 Other Bachelor's Degree and Diploma courses (even from other streams)
17 Education/Teaching courses after 12th Commerce
1 B.Com.
2 Chartered Accountancy
3 Bachelors course in Economics
4 Company Secretary Ship course
5 Law courses
6 Management courses
7 Technical courses
8 Designing courses
9 Physical Education courses
10 Fashion courses
11 Other Bachelor's Degree and Diploma courses (even from other streams)
12 Education/Teaching courses
13 Bachelor of Statistics
14 CMA (Certified Management Accountant)
15 Actuarial ScienceCourses after 12th Arts
1 BA
2 Bachelor's Degree in Economics
3 Technical Courses
4 Law courses
5 Management courses
6 Designing courses
7 Physical Education courses
8 Fashion courses
9 Bachelor of Performing Arts
10 Other Bachelor's Degree and Diploma courses (even from other streams)
11 Education/Teaching coursesCareer prospects and Job opportunities
Science stream careers
Commerce stream careers
Arts stream careers which are not stream-specific.