Tamil Nadu
The Mahamaham festival is celebrated once in twelve years is going to happen again on February 22, 2016 at Kumbakonam in Thanjavur District, Tamil Nadu. Here, thousands of devotees take a holy dip at the Mahamaham tank on the day of Mahamaham as sacred. The festival that come once in 12 years is often termed as equivalent to the grand religious event in Allahabad.