NO.

Most countries require a Bachelor’s degree (3–4 years) for MS in Computer Science.

What you should do first:

Complete B.E./ BTech in Computer Science / IT OR

Complete BSc . Computer Science / BCA (then sometimes MSc . before MS, depends on country)

After Bachelor’s, you can apply for MS abroad.

Exams you need to take for MS (after graduation):

IELTS / TOEFL → English language test (mandatory)

GRE → Required by some universities (optional in many countries)

Country-wise note:

USA/Canada/Germany/Australia/UK → Bachelor’s degree compulsory

Some universities accept 3-year degrees (like BCA/BSc) with good profile

Best path for you (Diploma background):

1. Diploma → Lateral entry to B.E./ BTech

2. Maintain good CGPA

3. Prepare for IELTS + GRE (if needed)

4. Apply for MS in Computer Science abroad