I need to get started with DevOps. In order to work for an organization which practices devops, what skill sets do I require?
If i a developer, do I need to learn operations as well?
Do I need to know CI/CD ?
Do I need to know tools like chef puppet anisble etc…
The first thing you should understand is, devops is a practice and not a specific technology. There are several aspects of IT you need to understand for practicing or adopting devops.
Read this article to get a complete understanding of DevOps http://devopscube.com/skillsets-to-work-in-devops-environment/
DevOps is basically streamining and collaboration of development, testing, infrastructure, and operations. It is the natural evolution of software development practices
Agile -> Devops Continuous Integration -> Continuous Delivery -> Continuous Deployment -> DevOps