Shreni Tap (also called Shrenik / Shrenikji Naam Tap) is a very strong shrāvak (householder) austerity inspired by Raja Shrenik, devotee of Bhagwan Mahavir.

Below is a simple, practical outline. Do this only with proper health and under guidance of Guru / experienced elder.

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1. Basic Idea

• Total period: 110 days

- 83 days Upvaas (complete fast) - 27 days Pārṇā (day you take food after a fast)

• Tap is done in “steps” (shreni) – each step has a certain number of continuous upvaas, then one pārṇā, then next step has more upvaas, and so on.
• Along with fasting, the main focus is:

- Ahimsa (non‑violence in mind, speech, body) - Samayik / dhyān (equanimity, meditation) - Swādhyāy (scripture study) - Pratikraman (repentance)

You can read a simple explanation here and vidhi details here .

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2. Shreni (Step‑wise) Method – General Pattern

Common traditional pattern (numbers can vary slightly by sangh/guru):

• There are 6 shrenis (steps).
• In each shreni, the number of continuous upvaas increases. Very roughly:

1. 1st shreni – do 1 upvaas, then pārṇā
2. 2nd shreni – do 2 upvaas, then pārṇā
3. 3rd shreni – do 3 upvaas, then pārṇā
4. 4th shreni – do 4 upvaas, then pārṇā
5. 5th shreni – higher series of continuous upvaas with pārṇā in‑between
6. 6th shreni – highest series, so that total becomes 83 upvaas + 27 pārṇā = 110 days

Exact breakup (how many upvaas in each shreni) is generally given personally by a Guru/pravachankar based on capacity of the sādhak.

You can see the 110‑day explanation here .

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3. Daily Vidhi During Shreni Tap

On every upvaas day:

1. No food from sunrise to next sunrise (water sometimes allowed as per niyam; in many places only boiled water within fixed time).
2. Do:

- Morning: Navkār mantra, Samayik, Chaityavandan - Day: Swādhyāy (Jain texts, life of Tirthankars, Raja Shrenik’s story) - Evening: Pratikraman, Kshamāpanā (asking forgiveness)

1. Avoid:

- Krodh, mān, māyā, lobh (anger, pride, deceit, greed) - Gossip, arguments, TV‑mobile time‑pass, business worries as much as possible

On pārṇā day:

1. Take simple, limited, pure Jain food once (or as per guru‑niyam), before sunset.
2. Do Navkār, kshamāpanā, and offer bhāv that all punya goes towards moksha‑mārga.

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4. Bhāv (Inner Attitude)

• Always remember: body‑tap is secondary; bhāv‑tap (inner purity) is main.
• Feel:

- “I am doing this to reduce my kashāya and karmas.” - “Let no jiv be hurt because of me during this tap.”

• Keep maun (silence) for some time daily if possible.

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5. Digambar / Shwetambar View

• Both traditions accept upvaas, pārṇā, and bhāv‑tap.
• Details of count, water rules, and rituals can differ by sect and by individual guru.
• Essence is same: long, graded series of upvaas with strong inner discipline in remembrance of Raja Shrenik’s devotion.

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6. Practical Advice

• Do not start Shreni Tap just by yourself.

- Take doctor’s check‑up, - Take permission / guidance of Acharya / Sadhu / Sadhvi / learned shrāvaka.

• If health goes down seriously, Jain dharma allows you to stop or reduce the tap. Hinsa to self due to ignorance is not praised.

For a step‑by‑step 8‑day “Shrenik Tap” pattern (a lighter version some follow), see here .

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In summary: Shreni Tap = 110‑day, very strong graded fast (83 upvaas + 27 pārṇā), done with intense samayik, swādhyāy, pratikraman and ahimsa‑bhāv, traditionally under guru’s guidance, in remembrance of Raja Shrenik’s great bhakti and tap.