OREANDA-NEWS. June 10, 2011. The Reserve Bank of India will shortly issue ` 100/- denomination banknotes with inset letter "L" in both numbering panels in Mahatma Gandhi Series with the signature of Dr. D. Subbarao, Governor, Reserve Bank of India and the year 2011 printed on the back on the Bank note.  Except for the change in the inset letter, the design of these notes to be issued now is similar in all respects to the banknotes in Mahatma Gandhi Series 2005 issued earlier. All banknotes in the denomination of ` 100/- issued by the Bank in the past will continue to be legal tender.