Question: what is ardh kumbh mela?
Answer: The Ardh Kumbh Mela ("half Kumbh") occurs approximately every 6 years between the two Purna Kumbha Melas at Allahabad and Haridwar. The Maha Kumbh, which occurs every 12 Purna Kumbh Melas i.e. after every 144 years.