Answer

During Paryushan, the main Jain scripture traditionally read is the Kalpa Sutra.

Explanation

The Kalpa Sutra is especially important in the Śvetāmbara Jain tradition. It contains:

• The life of Bhagwan Mahavir
• Accounts of earlier Tirthankars, especially Bhagwan Parshvanath
• The lineage of Jain monks
• Rules and discipline for monastic life during the rainy season

During Paryushan, many Jain communities listen to discourses and readings from the Kalpa Sutra, especially the narration of Bhagwan Mahavir’s birth and life.

Spiritual Understanding

Reading or listening to the Kalpa Sutra during Paryushan helps devotees reflect on:

• Right faith
• Self-discipline
• Forgiveness
• Non-violence
• The path of liberation shown by the Tirthankars

Takeaway

The book most commonly read during Paryushan is the Kalpa Sutra, especially among Śvetāmbara Jains.