A subject or topic that someone is very interested in.

रुचि का क्षेत्र

English Usage: She decided to study astrophysics because it was her area of interest.

Hindi Usage: उसने खगोल भौतिकी का अध्ययन करने का फैसला किया क्योंकि यह उसका रुचि का क्षेत्र था।

A particular field or area of interest or concern

रुचि का क्षेत्र

English Usage: The scientist focused his research on his specific sphere of interest.

Hindi Usage: वैज्ञानिक ने अपने विशिष्ट रुचि के क्षेत्र पर शोध केंद्रित किया।