Here is a simple, Jain-dharmic view on the question.

• Core idea of puja in Jainism: Puja is a sincere act of devotion and respect toward the Tirthankaras, Siddhas, and all that is sacred. Its essence lies in proper intention (bhavna), cleanliness, mindfulness, and accurate recitation or contemplation of Jain truths, rather than any particular finger or physical detail.

• About the right hand ring finger specifically: There is no universal, scriptural rule in Jain scriptures that mandates using the right-hand ring finger for puja or gives it a special spiritual status. Jain practices emphasize inner discipline, respect, and the proper performance of the ritual (mudras, recitations, offerings, and maintaining purity). How you physically perform the ritual—such as using both hands in anjali (palms joined) posture, offering with a clean hand, or any comfortable hand arrangement—should support sincerity and concentration rather than mechanical requirements about a specific finger.

• Practical guidance you can follow:

- Keep yourself clean and purified before doing puja (wash hands, maintain modesty and cleanliness). - Use anjali mudra (joined palms at chest level) as a common, respectful posture during prayer and offerings. - Focus on correct mantras or bhavna (intention) rather than on the exact finger used. - If you wear jewelry, including a ring on the right hand, ensure it does not cause distraction or hinder the flow of the ritual. Jewelry should not detract from cleanliness or concentration. - In family or temple puja, follow the local tradition or the guidance of your guru/elder, but know that the finger you wear a ring on is not the defining factor of the ritual’s efficacy.

• Tradition notes:

- There are differences in Digambar and Shwetambar practices in many aspects of ritual, but neither tradition prescribes a fixed rule that the right-hand ring finger must be used for puja. The important point remains inner reverence, purity, and correct performance of the rite.

If you’d like, I can point you to a trusted JainKnowledge resource for more detailed discussion on puja practices.