Alpana or alpona refers to colourful motifs, sacred art or painting done with hands and paint which is mainly a paste of rice and flour on auspicious occasions in Bengal. The word Alpana is derived from the Sanskrit alimpana, which means to plaster or to coat with. Traditionally, it was drawn by the women of the house before sunset. It is also a folk art in Bengal.

Bio from Wikipedia - See more on Text under CC-BY-SA license