Kaisika Ekadashi is an Ekadashi vrata observed with utmost devotion. It falls on Shukla Paksha Ekadashi in Kartika Masam as per Telugu calendar. In 2016, Kaisika Ekadashi date is November 11.
Kaisika Ekadasi Puja has great significance in Tirumala Tirupati Venkateshwara Swamy Temple (TTD), Srirangam Ranganathar Temple, and other Vaishnavite temples in South India.
The Kaisika Ekadasi Vrata Katha (Legend, story) is mentioned in Sri Varaha Purana as a conversation between Lord Vishnu and Goddess Lakshmi. The story is associated with a Chandala known as ‘Nampaduvan’ who lived at Thirunelveli in Tamil Nadu.
Kaisika Ekadasi is observed as Kartik Ekadasi, Haribodhini Ekadasi, Prabhodini Ekadasi, Vishnu Bodhini Ekadasi, Utthana Ekadasi, etc.. in other places.
Following day of Kaisika Ekadasi is known as Kaisika Dwadasi. On this day, Chaturmas vrat concludes..