India is a developing country and is slowly advancing in its IT sector. But, we could not underestimate the power India has. Many inventions have become resourceful all over the world. Some inventions are there from which different countries should take a lesson. One such invention by our Country is UPI (Unified Payment Interface). This technology has become a household use of everyone in today?s life. Unified Payment Interface is nothing but a very commonly used bar code which you can see with every small shop to big shop. But What is the need for UPI? And why developed nations like US and China want to stop their flourishment?
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