Paryushana is the most important annual holy events for Jains and is usually celebrated in August or September in Hindi calendar Bhadrapad Month’s Shukla Paksha. The Digambara Jains recite the ten chapters of the sacred Jain text, Tattvartha Sutra on ten days of fasting. 

Micchami Dukkadam: At the conclusion of the festival, followers request forgiveness from others for any offenses committed during the last year 

Naming: Normally, Digambaras refer it as *Das Lakshana Dharma* while Śvētāmbaras refer to it as *Paryushana* (“abiding” or “coming together”).

Duration: The duration of Paryushana is for eight days for Śvētāmbara Jains and ten days for Jains belonging to the Digambara sec.

Das-Dharma are mentioned in the Tattvartha Sutra
Day 1Uttam Kshama (forbearance) - उत्तम क्षमा 
Day 2: Uttam Mardava (supreme modesty) - उत्तम मार्दव 
Day 3: Uttam Aarjava (straightforwardness) - उत्तम आर्जव 
Day 4: Uttam Satya
 (truth) - उत्तम सत्य 
Day 5: Uttam Shauch (purity) - उत्तम शौच 
Day 6: Uttam Sanyam
 (supreme restraint) - उत्तम संयम 
Day 7: Uttam Tap (austerity) - उत्तम तप 
Day 8: Uttam Tyaga
 (renunciation) - उत्तम त्याग 
Day 9: Uttam Aakinchanya (non-attachment) उत्तम अकिंचन्य 
Day 10: Uttam Brahmcharya
 (supreme celibacy) - उत्तम बह्मचर्य

Read for detail : [Jain] Das-Dharma are mentioned in the Tattvartha Sutra

Source: https://en.wikipedia.org/wiki/Paryushana