A copy or reproduction of something, often in four parts.

चार गुना प्रतिलिपि

English Usage: "The report was submitted in quadruplicate to ensure each department had a copy."

Hindi Usage: "रिपोर्ट चार गुना प्रतिलिपि में प्रस्तुत की गई ताकि प्रत्येक विभाग के पास एक प्रति हो।"

To make or create four copies of something.

चार प्रतियां बनाना

English Usage: "Please quadruplicate this form for our records."

Hindi Usage: "कृपया इस फॉर्म की चार प्रतियां हमारे रिकॉर्ड के लिए बनाएं।"