In an embarrassing goof-up, the Reserve Bank of India (RBI) has issued currency notes in 2014 carrying the signature of its former governor D Subbarao, who retired last year.

HT could not ascertain the exact denomination and total value of these flawed currency notes but sources said they are high denomination notes.

"These notes are not legal tender as they carry the signature of a retired RBI governor. To be valid, they ought to have carried current RBI chief Raghuram Rajan's signature. However, they can be exchanged at any commercial bank," said a senior bank official.

To read the complete article, see:Take note: RBI goofs up, invalid notes in circulation(www.hindustantimes.com/business-news/rbi-goofs-up-invalid-notes-in-circulation/article1-1190639.aspx)