In Śvetāmbara Jain tradition, post‑death practices are kept simple, non‑ritualistic, and focused on soul, detachment and ahimsā, not on big ceremonies.

Below is a clear, step‑by‑step outline.

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1. At the time of dying (antim samay)

Family should mainly help the dying person keep a shānt (peaceful), detached mind:

• Sit quietly near the head.
• Softly recite Navkār Mantra again and again.
• Remind the person:

- “Remember your ātmā (soul), let go of all attachments.” - “I forgive all beings, may all forgive me – Micchāmi Dukkaḍaṃ.”

• Avoid loud crying or emotional disturbance around the person.

More on this here

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2. Immediately after death

The body is treated with respect and simplicity:

• The body is cleaned, clothed simply (often white).
• No Hindu‑style agni saṁskār vidhi, no havan, no Vedic mantras.
• Family or a Jain lay scholar may recite:

- Navkār Mantra - Short Jain stavan or sutra (as per local Śvetāmbara custom).

Purpose: to remember the true nature of soul and the impermanence of body, not to “pull” the soul back or control its gati (next birth).

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3. Funeral / cremation (antim saṁskār)

Among Śvetāmbara Jains (Mūrtipūjak, Sthānakvāsī, Terāpanthī), details differ slightly, but spirit is same:

• Cremation is usual.
• Procession is kept simple and dignified; avoid show, music, or display.
• At cremation ground:

- Recitation of Navkār Mantra and sometimes other stotras. - Short pravachan / vachan on: - anitya‑bhāv (everything is temporary), - karmas and journey of the soul, - need for samatā (equanimity) instead of excessive grief.

• Loud weeping, beating the chest, cutting hair, etc. are discouraged in Jain dharma.

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4. After returning home (same day or soon after)

Focus is on shānti and self‑purification of family:

• Navkār jaap, shānti‑path, or short pratikraman / swādhyāy at home.
• Remember good qualities of the departed, with detached respect.
• Do dān and jīvadayā (charity, feeding monks/nuns if possible, helping poor, animal care) in their memory.

These acts create punya for the doer and cultivate right feelings; they are not a “payment” to the departed soul.

More details on such post‑death pooja and conduct here

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5. “Shok / ashauch / sutak” in Śvetāmbara tradition

From pure Jain tattva (both Digambar and Śvetāmbara):

• There is no concept of ritual impurity (sūtak/āshauch) due to birth or death.
• The soul is not polluted; what really harms is:

- attachment–aversion (rāg‑dveṣ), - anger, pride, deceit, greed.

However, in many Śvetāmbara communities:

• As a social custom (maryādā, not scripture) people:

- avoid elaborate dravya‑pūjā, abhishek, aarti, shṛngār for a few days, - sometimes 3 days, 11 days, or 13 days as per local practice.

• Simple dharma like:

- Navkār, - samayik, pratikraman, - swādhyāy, chaityavandan, continues and is actually encouraged.

So:

• Scripturally: no impurity, dharma can and should continue.
• Socially: some limits on big rituals for a short period may be followed as vyavahār.

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6. 3rd / 11th / 13th day gatherings

In many Śvetāmbara families there is a prarthanā sabhā on one of these days (or on a chosen tithi):

• Collective chanting: Navkār, stavans, shānti‑path.
• Short life‑sketch and virtues of the departed are remembered.
• Pravachan on:

- impermanence, - importance of dharma and forgiveness.

• Sometimes religious books or food are given in charity instead of big feasts.

This is for the living, to strengthen dharma bhāv and detachment.

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7. No Shrāddha / Pitru‑paksha in Jainism

Śvetāmbara (and Digambar) Jain scriptures do not prescribe Shrāddha like in Hindu Pitru‑paksha:

• No belief that by specific food‑offerings the ancestors come and eat.
• The soul moves ahead according to its own karma, not according to what family feeds in rituals.
• Respect for ancestors is shown by:

- living ethically, - doing dān‑dharm, swādhyāy, - forgiving and seeking forgiveness.

More on this point here

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8. Essence of Śvetāmbara Jain post‑death practice

• Help the dying person remember the soul and the Navkār.
• Keep funeral and after‑death rites simple, without non‑Jain fire rituals or superstitions.
• Focus on:

- Navkār, pratikraman, swādhyāy, stavans, - dān and jīvadayā, - inner samatā and letting go of attachment.

• Understand that no external ritual can change the karma already bound; what really counts is bhāv (inner state) of both the dying person and the family.

If you tell me which Śvetāmbara sub‑tradition (Mūrtipūjak, Sthānakvāsī, Terāpanthī, etc.) and which region you are from, you can match these core principles to your local maryādā more easily with your own elders or local guru.