what should i start with for pursuing my masters abroad?

Try to boost your profile with papers and internships and relevant projects or certifications

First of all, gather all data regarding universities that provide graduation course you are interested in, like application deadlines, requirements and all. After that prepare for GRE and TOEFL/IELTS. Gather all documents you'll be needing for application process ( transcripts, LORs, SOP, Student CV, etc.) See more

Give GRE and IELTS/ TOEFL and get an idea about what all you can mention in your SOP