Vishwakarma is regarded as the main craftsman and architect of Gods. Biswakarma is so n of Lord Brahma, the creator of the whole universe. Viswakarma is the official builder of all the gods' palaces. As per Hindu mythologies Vishwakarma is the designer of all the flying chariots of the gods and goddesses. He designed and made the weapons for them of too.
In Mahabharata, the world’s biggest epic, he is described as "The lord of the arts, executor of a thousand handicrafts, the carpenter of the gods, the most eminent of artisans, the fashioner of all ornaments and a great and immortal god."
This year, Viswakarma pooja is on September 18, 2015. That is on Aswin 01, 2072 as per Nepali Bikram Sambat calendar. There is a tradition of celebration of Biswakarma pooja on the ninth day of Dashain festival, Navami in Nepal. As well, some celebrate Biswakarma pooja on Dipawali too.
It is a pooja of Lord of art, architecture or engineering, Lord Biswakarma. In a word it is a worship and tribute to all those who invented the technology. It is salutation to all who worked in the field of physics for the betterment of people.
Lord Biswakarma has four hands, wears a crown, wears lots of gold jewelry, and holds a water-pot, a book, a noose and craftsman's tools in his hands.
Hindus widely regard Bishwakarma as the god of architecture and engineering.
Biwakarma puja is regarded as “a resolution time for workers and craftsmen to increase productivity and gain divine inspiration for creating novel products”.
The celebration generally is done within the factory premises or shop floor, office or workshops. All the machineries are worshiped along with the worship of Biswakarma. People worship their vehicle along with machinery. Red and white cloth and holy treads are offered to machinery and vehicles. Picture of Biswakarma is taken out in procession in many part of Nepal after the pooja is over. People install picture of lord Biswakarma at the corners of cross roads and put statues and idols of him in corner of street. Puja is also associated with the custom of flying kites. This occasion in a way also marks the start of the festive season that lasts till Diwali.
Hindu mythology is full of Vishwakarma’s many architectural wonders. Hindu mythology divides whole era of this earth in four yugs (span of time), Staya yug, Treta yug, Dwapar yug and Kali yuga. He had built several towns and palaces for the gods. In Satya yuga, he built the Swarga Lok, (heaven), the abode of the gods and demigods where Lord Indra rules. Bishwakarma built the Lanka of Ravan in Treta yuga, the city of Dwarka in Dwapar yuga, and Hastinapur and Indraprastha in the Kali yuga.
Picture source : Various google search sources