The demonetized old currency notes with the same serial number had signatures of two different RBI governors.

The RBI stated that it is possible to have two or more banknotes with the same serial number, but they would have a different governor's signature.

The RBI stated that it is possible to have two or more banknotes with the same serial number, but they would have a different governor's signature.An image was circulating in social media claiming that the two demonetized ₹ 500 denomination notes have two distinct signatures of different governors on both the notes with the same serial number.

In questions and answers, the RBI released a statement that it is possible to have two or more banknotes with the same serial number. Still, they would either have a different inset letter or year of printing or signature of another RBI governor. An inset letter is an alphabet printed on the number panel of the banknote.

There are several types of fancy and unique numbered currency notes of India. Some twin notes have minor design changes or different years of printing.