In Jain Dharma, Chaturmas fasting rules for householders are generally followed with discipline, non-violence, restraint, and sincerity. Exact observance can vary by tradition, guru, and local custom, but the common principles are:

1. Keep the vows simple and sincere

Householders usually observe:

• Ekasana: one meal a day
• Biyasana: two small meals, if permitted in the tradition
• Upavasa: complete fast
• Ayambil: plain meal without taste-enhancing spices, oil, ghee, sugar, etc.
• Vela / Tivihaar / Chaivihar: limiting eating to certain times or reducing food and water intake

2. Increase restraint during Chaturmas

During the rainy season, Jains keep extra care because many जीव-जंतु are active. Therefore householders should:

• Reduce sense pleasures
• Eat less and with awareness
• Avoid unnecessary travel and activities that cause harm
• Follow ahimsa strictly in food and daily conduct

3. Observe purity in food

Food should be:

• Fresh, clean, and prepared with less violence
• Free from root vegetables if following strict Jain practice
• Avoiding overeating and waste
• Consumed with mindfulness and gratitude

4. Follow religious discipline

Householders may also:

• Do pratikraman
• Read scriptures or stotras
• Visit derasar or sthanak respectfully
• Give charity and support साधु-साध्वी
• Practice brahmacharya, simplicity, and control of speech

5. Fasting should be according to one’s capacity

Jain practice values bhava and sincerity more than display. A householder should fast:

• According to health, strength, and ability
• Without pride
• With repentance, humility, and self-restraint

6. Avoid harming living beings

During Chaturmas, special care should be taken to avoid:

• Walking carelessly in rain
• Drinking or using water carelessly
• Disturbing insects and small beings
• Cooking or cleaning in ways that increase harm

7. Spiritual intention is essential

The real purpose of Chaturmas fasting is:

• To reduce karma
• To purify the soul
• To cultivate detachment
• To strengthen vairagya and compassion

If you want, I can also give you a simple day-by-day Chaturmas fasting schedule for householders in Jain style.