A revealing sign that indicates something, often a piece of evidence or clue.

An indicator or sign that gives away information.

एक संकेत या चिन्ह जो जानकारी उजागर करता है।

English Usage: His nervousness was a tell-tale pointer of his dishonesty.

Hindi Usage: उसकी नर्वसनेस उसके बेईमानी का बताने वाला इशारा था।