Audiobook A Cup of Cha written by Pooja Vijay. Cha wallahs are a common site in India. When Meera's dad smells the sweet aroma of tea coming from the Cha wallah, he can't resist. Meera learns a lot about tea and the science behind it while Baba waits on his tea. 'A Cup of Cha' (English), written by Pooja Vijay, illustrated by Proiti Roy, supported by CISCO, published by Pratham Books (© Pratham Books, 2018) under a CC BY 4.