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Tech & Machines

Ayudha Puja for Computers and Tools

Also called Astra Puja, Ayudha Pooja, worship of tools, Saraswati Puja for books and instruments

Ayudha Puja is the Hindu day, falling at the end of Navaratri, when people clean, decorate and honor the tools of their work, from ploughs and lathes to cars, laptops and phones. This page explains the real festival and gives a simple, respectful way to thank and rest your own working machines.

TraditionHindu festival practice of South India, Karnataka and Odisha
RegionIndia and the Indian diaspora
EraMedieval roots, practiced today
Moon☽ Waxing moon
DayAny
ElementSpirit
Difficulty●○○ Simple
Time45 minutes, then a day of rest for the tools

Tonight's moon is read when the page loads.

The working

  1. On the evening before, shut down the computer, phone, tools or tablet you work with. Unplug what can be unplugged.
  2. Clean each one well. Dust the keyboard, wipe the screen with a lightly dampened cloth, empty the tool bag and wipe the handles. Cleaning is the first act of the puja.
  3. Set the machines on a clean table or cloth, with books, pens and account books beside them if you use them.
  4. Put a dot of turmeric, then kumkum or sandalwood paste, on a small paper tag and lay or tape the tag on each device. Keep paste off screens, keys, vents and ports.
  5. Lay flowers around them and set the plate of fruit or sweets in front. If you light a lamp or incense, place it on a separate heatproof dish at least an arm's length away.
  6. Give thanks in your own words or with a prayer from your family tradition, naming what each tool helped you do this year and asking that your work go safely.
  7. Leave the tools to rest for the night, and if you can, for the next day too. Do not use them.
  8. On Vijayadashami morning, take the tag off, power the machine on and start with a small, good piece of work, as many families start children's learning that day.

Take care: Never put water, paste or kumkum on screens, keyboards, vents or ports; mark a paper tag instead. Keep lamps and incense on a heatproof dish away from devices and cables. This is a living Hindu festival; if you are not Hindu, approach it as a guest, with respect, and follow a local temple's guidance if you join in.

Versions across time and place

i

Vehicle puja with ash gourd

Karnataka and Tamil Nadu · 20th century to now

Cars, buses, auto-rickshaws and trucks are washed, garlanded and marked with turmeric and kumkum. Many households and drivers break a white ash gourd or pumpkin on the road in front of the vehicle to turn away bad luck before driving it.

Uses: ash gourd, turmeric, kumkum, banana leaves, garlands

Recorded in: Ayudha Puja, Wikipedia; regional press coverage of the festival
ii

Saraswati Puja for books and instruments

South India · Long standing

Students set their books, pens and musical instruments before an image of Saraswati, goddess of learning, and leave them untouched until Vijayadashami. On that morning young children are often started on their first letters, a rite called Vidyarambham.

Uses: books, pens, instruments, an image of Saraswati

Recorded in: Ayudha Puja, Wikipedia
iii

Vishwakarma Puja in workshops

West Bengal, Odisha, Assam and Bihar · Around 17 September each year

In eastern India the factory day belongs to Vishwakarma, the divine architect and craftsman. Workers wash their machines and factory vehicles, set tools before his image and pray for safe work, and the machines are often left idle for the day.

Recorded in: Celebrating Vishwakarma Puja or Day of the Machinery God, The Sentinel (Assam)

History

Ayudha Puja means worship of implements. It falls on Mahanavami, the ninth day of Navaratri, in the lunar month of Ashvin, usually late September or October. Its stories tie it to the goddess Durga laying down her weapons after defeating the buffalo demon, and to the Pandavas recovering their hidden weapons. Over time the weapons became every tool of a household's living: ploughs, looms, sewing machines, lathes, account books and, in the twentieth century, cars and trucks.

Today offices across Karnataka and Tamil Nadu clean and decorate desktop computers, printers and phones, and IT companies hold puja in their server rooms. So the blessing of computers is a real, living part of the festival, not an invention here. What this page adds is only a quiet home version for people outside the tradition, keeping the core acts of cleaning, honoring and resting the tools, and keeping paste and water off the electronics.

Sources

  1. Ayudha Puja · Wikipedia contributors
  2. Ayudha Puja 2026: Date, Muhurat, Significance and Rituals · Smart Puja, 2026
  3. Celebrating Vishwakarma Puja or Day of the Machinery God · The Sentinel (Assam)

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