Answer

No, that is not a universal Jain rule for ayambil tap.

The main rule of ayambil is about how the food is prepared and what ingredients are avoided—not whether the food is native to India.

Explanation

In general, ayambil means food that is:

• cooked only once
• without ghee or oil
• without milk, curd, sugar, jaggery, and similar taste-enhancers
• without spices and usually without many extra items, depending on the tradition followed

Some Jain communities or local traditions may have extra guidelines for ayambil, but “only native-to-India foods” is not a standard pan-Jain rule.

Spiritual Understanding

Ayambil is a form of tapas meant to reduce attachment to taste and comfort. The focus is on:

• simplicity
• restraint
• discipline
• purity of intention

So the spiritual value lies in observing the vow correctly and sincerely, not in the geographic origin of the food.

Takeaway

If someone says ayambil must include only foods native to India, that is likely a local custom or personal interpretation, not the general Jain rule. For exact practice, follow the guideline of your guru, sangh, or local tradition.