Conversation so far:
who prints and supplies the currency notes in india
The Reserve Bank of India prints and manages currency in India, whereas the Indian government regulates what denominations to circulate.
when did the reserve bank introduce the mahatma gandhi series
The Reserve Bank has introduced banknotes in the Mahatma Gandhi Series since 1996

Question: what denominations were introduced in the series
Self-contained rewrite: what denominations were introduced in the mahatma gandhi series