Kottarakkara Sree Mahaganapathi Temple located in Kerala is a famous Ganesh Temple. The main deity in the temple is Shiva but the temple is popular as a Ganapathy Temple. Kottarakkara Ganapathy Temple Festival 2023 date is April 15 to April 25. The 11-day annual festival begins on the Avittam nakshatra and ends on Thiruvathira nakshatra Medam month. The most important day is the final day known as Thiruvarattu. It falls on the Thiruvathira Nakshatra day in the Medam month. The day is also noted for Kettukazhcha. Thousands of people attend this annual festival. The temple is so unique that it has murtis of Shiva, Parvati, Ganga, Ganesha, Muruga, Ayyappa, and Nagaraja.

Mahakala Linga is a very rare form of Shivling. Mahakala Linga is bright and corpulent in shape, elongated and slightly red colored. It is bright and attractive. The description about the linga is only found in a text credited to Hemadri, a 13th century who wrote books related to murtis, temple architecture and construction. It is believed that worshipping the Mahakala Linga helps in attaining all forms of prosperity. Mahakala Linga is mentioned in the Skanda Purana and Shiva Purana. Chapter 18 of the Shiva Purana indicates that a cowherd boy worshipped Mahakala Linga and attained Shiva Loka. It is said that the piety of the boy was so great that Hanuman predicted that Vishnu will incarnate in the cowherd race. Mahakala Linga is part of the Bana Lingas and is naturally formed.