Warm wishes applicant for choosing such a great combination, there are plenty opportunities available for you after your 10+2

You can choose the following curriculum

1. BA in Bengali Hons

2. BA in English Hons

3. Bachelor's of Computer Application

4. BA in Economics Hons

After doing BA in English Hons if you want you sit for different exams to pursue your higher studies from Foreign Countries too. After doing BCA you can do MCA also, hope it helps

Good luck!!