Now, if you have an old Rs 50 note, it can help you fetch lakhs. The old note you have should have the serial number 786. That's all it takes. This number is very important to some people, and they are willing to spend lakhs for it.
Where can you sell these notes?: If you have such old notes, you can easily become a millionaire by selling them. Register on websites like Coin Bazaar, Quikr, eBay, OLX, and India Mart.