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What is UPI pin? UNIFIED PAYMENTS INTERFACE (UPI) UPI PIN stands for Unified Payment Interface Personal Identification Number. It is a 4 or 6 digit secret code that is used as a password to authenticate UPI transactions. UPI is a payment system in India that allows users to transfer funds between bank accounts instantly using a mobile app. When you set up a UPI account, you are required to create a UPI PIN that is linked to your bank account. Whenever you initiate a transaction using UPI, you will be asked to enter your UPI PIN to authorize the transaction. This ensures that only the account holder can authorize transactions and provides an additional layer of security to the UPI system. It is important to keep your UPI PIN secure and not share it with anyone. Unified Payment Interface (UPI) developed by National Payments Corporation of India (NPCI) which was established by reserve bank of India (RBI).

Laterite Soil Questions and Answers: - Q) What is laterite soil also called? Ans - Laterite soil also known as residual soil. Q) What is laterite soil well known for? Ans - Laterite soil is rock type rich in iron and aluminum and it is formed in hot and wet tropical areas. Nearly all laterites are of red, because of high iron oxide content. They develop by weathering of the underlying parent rock, usually when there are conditions of high temperatures and heavy rainfall with alternate wet and dry periods. Tropical weathering is a prolonged process of chemical weathering which produces variety in the thickness, grade, chemistry and ore mineralogy of the resulting soils. Q) What are two uses for laterite? Ans - Laterite uses - 1 - Agriculture 2 - Building blocks 3 - Road construction 4 - Waste water treatment etc. Q) Where is laterite soil also found? Ans - Laterite soil found various location in India like southern part of Maharashtra, Karnataka, Andh