I'm looking for a good opportunity to start my career and give my best.
Welcome to the Atlassian Community, @lokesh batta !
If you are looking for an opportunity in the Atlassian field, get some learning and knowledge about Atlassian tools through the Atlassian University courses (https://www.atlassian.com/university), and then target to achieve Associate-level Atlassian certifications to start with to make your Atlassian resume stronger.
All the best for your job search!