BHAKTAPUR, Jan 16: The six-month long Nawadurga Nacch (Dance) also known as the 'fish killing festival' has kicked off from Suryamadhi of Bhaktapur from the day of Maghe Sankranti festival that is celebrated on the first of the Nepali month Magh. This historic dance was originated during the Malla period (10th-18th century) and has tantric origins.