In Jainism, "Chomaasa" (also spelled "Chaturmas" or "Chaturmasa") refers to the four-month period during the monsoon season, which is considered especially significant for spiritual practices. During Chaturmas, Jain monks and nuns traditionally stay in one place to avoid causing harm to small living beings that proliferate during the rains. Laypeople also observe increased religious activities and dietary restrictions.

Regarding dry fruits during Chomaasa:

• Jains often avoid certain green leafy vegetables and root vegetables during Chaturmas to minimize harm to tiny life forms.
• Dry fruits (such as almonds, cashews, raisins, dates, etc.) are generally permitted, as they are not considered to harm living beings in the same way as fresh greens or underground vegetables. However, they should be consumed only after ensuring they are free from infestation or insects.
• As with all food in Jainism, dry fruits should be checked carefully for any forms of life, and should not be consumed if they are stale, infested, or not freshly prepared.
• Some Jains may choose to restrict their diet further during Chaturmas as a personal or traditional observance, possibly limiting or avoiding certain foods, including dry fruits, depending on local customs or family traditions.

In summary: Dry fruits are generally allowed and commonly consumed by Jains during Chomaasa, provided they are clean, fresh, and free from living organisms. Always check with your tradition or local Jain community for any specific observances.