Old 20 Rupee Notes: You have a chance to become a millionaire by selling an old 20 rupee note. If it has the serial number 786 and a picture of Mahatma Gandhi, you can sell it on platforms like Quikr.

Old notes and coins are no longer just memories of the past. For many collectors, they have become a valuable source of income. In India, the number of currency collectors is rising fast, and rare ...