'Lakshmi-Ganesh on rupee': Can Centre change the look of Indian banknotes?

Any decision related to the changes that are made in the design and form of bank notes and coins are governed by the Reserve Bank of India (RBI) and the central government

The Aam Aadmi Party (AAP) on Wednesday urged the central government to put pictures of Goddess Lakshmi and Lord Ganesha on currency notes to bring 'prosperity' to the country.

The move has invited criticism from the Opposition, including the Bhartiya Janata Party, for making a U-turn in their approach to Hindu gods.

But does printing currency notes with new images come under the Centre's ambit or Reserve Bank of India? Let's find out: 

Who decides how banknotes and coins should look?

Any currency design change must be approved by the Reserve Bank of India's (RBI) central board and the central