Vishwakarma Jayanti or Vishwakarma Puja is an important Hindu festival celebrated to worship Lord Vishwakarma. It falls on the last day of Bhadra, known as kanya Sankranti or Bhadra Sankranti. The festival is mainly observed in the eastern part of India in states like West Bengal, Assam, Odisha, Tripura, Bihar and Jharkhand. It is also celebrated in Nepal.
During this festival, laborers in factories and industrial areas worship their tools and pray to Lord Vishwakarma to keep their livelihood secure. Lord Vishwakarma, who is considered as the creator of the world, is also credited for the creation of Sthapaty Veda, which focuses on science of architecture and mechanics.