All mainstream credit card numbers obey a mathematical trick designed to catch the most common typos. It’s called the Luhn ...

Your UAN is a unique 12-digit number that ensures you keep receiving your EPFO benefits no matter how many jobs you switch.

The UAN is a unique 12-digit number given to every EPF member. Once you have it, you can check your EPF balance in multiple ways, online, via SMS, or through the UMANG app. If you are a salaried ...