The Reserve Bank of India (RBI) announced to issue new notes of Rs. 20 and Rs. 50. Which of the following is not one of the features of these notes?

• A. The new notes will come in Mahatma Gandhi Series-2005.
• B. The new Rs. 50 notes will come with an inset letter 'L' in both the number panels.
• C. The year of printing '2016' will be printed on the reverse of the banknote.
• D. All the banknotes of Rs. 50 and Rs. 20 issued in the past will continue to be legal tender.