Chilli is also known as Finger chillies, Mirchi. Chillies peppers are widely used in many cuisines as a spice to add heat to dishes. There are numerous types of chillies some different colors, from other countries and different levels of heat. Red Chilli's are usually grounded into a powder and used as a spice. Red chilli's are dried or pickled in order to store them for a long period of time.