evidence: Will scribbling on bank notes make them invalid? Here's what RBI says [...] The viral message reads, "As per new guidelines of Reserve Bank of India, writing anything on new notes makes the note invalid and it no more be a legal tender. Just like US dollars. You write anything on US dollars it is not accepted by any one." [...] It is evident that the Reserve Bank of India did not pass any new guidelines to make invalid or illegal, scribbled notes.