Goddess Kali is a principal deity in Hinduism. And her festival is a significant occasion in the state of West Bengal. While most households in this state worship her regularly, a single day in the year is dedicated to her worship or Puja on a grand scale. This date falls in the month of Kartik, which is between October and November. Almost always, the Kali Puja coincides with Diwali. While this date is dedicated to the worship of Goddess Lakshmi in North India, in the eastern part of the country, this day is reserved for the worship of this fiery goddess. Every year, during the stipulated time, on an Amavasya (no moon) night, the Puja for Goddess Kali takes place. Ma Kaali is believed to be an impersonation of Durga Maa and is a more aggressive form of the same. The idol is depicted as standing up with her tongue out and one foot on the chest of Lord Shiva, who is lying at her feet. With all total four hands, she clutches a severed head of a demon in one hand; in the other, she brandishes a sword, and with the rest two hands she gives us blessings; her neck is decorated with a garland of skulls. Goddess Kali stands for justice and vindication. According to Hindu mythology, two demons, Shambhu and Nishambhu had threatened the king of gods, Indra. They had challenged all the gods, who, in turn, turned to Goddess Durga for protection. Thus, Goddess Kali was born from her forehead to defeat the demons. She slaughtered them all, and wore their skulls around her neck. But the aggression took control of her being as she started killing everyone around her. At this point, Lord Shiva, in an attempt to stop her, lay himself down at her feet, and when she stepped over him, she realized what she was doing, and she stuck out her tongue in shock at her actions. Calcutta is the hub of all activities during this time. As the only major metropolitan in West Bengal, there are various big Pujas that go on during this time in the city. Pandals are put up all over the city, and large Idols are placed there, ready for the rituals to begin. The actual worshipping time during the Kali Puja is late into the night, almost always after midnight. Tantrik Pujas are often performed for this goddess. She stands as the destroyer of evil, and gives people protection from disasters. Lamps are lit all over the city in the evening, as are candles. People step out of their houses in traditional clothes, and burst firecrackers till the time for the Puja comes by. When in Calcutta, you should dress up in the traditional sari or kurta-pajama before heading off to watch the rituals. Make sure to burst some firecrackers and walk around the city, watching the beautiful twinkling lights which adorn every house. There are a few famous temples dedicated to Goddess Kali, which you can visit. These temples are very crowded on the day of the Puja, but braving the bustle is almost always worth it. Kalighat Temple is located in the heart of the city. It was built in 1809 at the site of an ancient temple. Many pilgrims from all over the country come here to worship the goddess throughout the year. But the vibrancy on the day of Kali Puja is unmatched. Another famous temple is the Dakshineshwar Temple, which lies in the outskirts of Calcutta. Built by Rani Rasmoni between 1847 and 1855, on the banks of the River Ganga, this temple, too, is an important pilgrimage site. The other temple in Tarapith, which is about 300 miles from Kolkata, is located on the banks of Dwarka River.