To avoid root vegetables while visiting friends or eating out, you can use simple, respectful Jain-friendly practices:

When visiting friends

• Tell them in advance that you follow Jain dietary rules.
• Say clearly and politely:

- “I do not eat root vegetables like onion, garlic, potato, carrot, beetroot, radish, ginger, etc.”

• Offer to bring a dish yourself so there is something you can eat.
• Eat before going if you are unsure about the meal.
• Choose foods that are usually safe, such as:

- fruits - plain dal - rice - roti - sabzi made without roots - milk products, if your practice allows them

When eating out

• Ask the restaurant staff clearly:

- “Please make it without onion, garlic, potato, ginger, or other root vegetables.”

• Choose simple dishes with fewer ingredients.
• Be careful with:

- gravies - soups - sauces - mixed vegetable dishes - chutneys - fried snacks - salads

• Request fresh preparation if possible, and confirm that no onion or garlic is used in seasoning.

Helpful habit

• Keep a short list of what you do not eat, so you can explain it quickly and politely.
• If needed, say:

- “I follow a Jain diet.”

Jain principle

Avoiding root vegetables is part of ahimsa, because uprooting them harms the plant and also involves more violence than plucking above-ground foods.

If you want, I can also give you a short Jain food-avoidance sentence in English or Hindi for use at restaurants and social visits.