an item that opens something, such as a can or bottle opener

the opening act in a performance or event

प्रदर्शन या कार्यक्रम में उद्घाटन कृत्य

English Usage: The openers set the tone for the entire concert.

Hindi Usage: उद्घाटन कृत्य ने पूरे संगीत कार्यक्रम का माहौल तैयार किया।