The main or leading ray in a specific context, often related to light or guidance.

प्रमुख किरण

English Usage: The chief ray of sunlight broke through the clouds, illuminating the landscape.

Hindi Usage: सूर्य की प्रमुख किरणें बादलों के बीच से निकलीं, जिससे परिदृश्य को रोशन किया।