Vishwakarma is known as the divine engineer and main architect of the universe. He is worshipped by the engineering community and professionals too. Workforce in the offices and workshops worship their instruments and tools which are used in their profession in front of Lord Vishwakarma. This is known as the Vishwakarma Puja. It is celebrated in the month of September by all artists, weavers, craftsman and industrial houses. This day is observed on the Kanya Sankranti Day which is followed by the Ganesh Chaturthi. Vishwakarma Puja is also done after Diwali.
According to mythology, Lord Vishwakarma created the entire universe, heaven and earth. He is credited for creating weapons used in the mythological era, including the sacred weapon 'Vajra' of Lord Indra, which he made from the bones of sage Dadhichi. He is considered as the highest worker, with quality and excellence in craftsmanship. He is depicted in pictures as having four hands, carrying a book, a water-pot, a noose and craftsman's tools.