RBI to Issue New Rs 10 Note in Chocolate Brown Colour. Here is What it Looks Like New Delhi: The Reserve Bank of India (RBI) is going to issue new Rs 10 notes under the Mahatma Gandhi series with chocolate brown colour as the base. The new note will bear the picture of the Konark Sun Temple. The apex bank has already printed around 1 billion pieces of the new note, according to people familiar with the matter.The design was approved by the government last week. The change in design in the old Rs 10 note was last made in 2005. In August last year, RBI had introduced the new Rs 200 and Rs 50 notes under the Mahatma Gandhi series.( Press report)