Refers to the detection or observation of an adversary or opponent in the immediate view.

शत्रु दृष्टिगोचर

English Usage: As soon as the soldier shouted "enemy in sight," everyone took their positions.

Hindi Usage: जैसे ही सैनिक ने "शत्रु दृष्टिगोचर" चिल्लाया, सभी ने अपनी स्थिति संभाल ली।