1. Basic Linux
2. Advance Linux Servers
3. Linux Shell Scripting
4. DevOps
5. AWS Solutions Architect 
5. Logging and monitoring Tools
6. Database
7. Python
8. Machine Learning
9. Deep Learning
10. Data Science
11. AI
12. BIG DATA
13. JAVA
14. Azure Solution Architect
15. Infrastructure Automation With Terraform
16. Maths behind the data science