Tirthankar Parishramik Samiti means a committee or organization (samiti) that focuses on the hard spiritual effort or austerities (parishram) of the Tirthankaras. In Jain context, it typically refers to a local or temple-based group that organizes activities to support dharma through seva (service), education, moral conduct, temple worship, and community welfare.

Key points:

• Parishramik = associated with earnest spiritual effort and austere practice.
• Tirthankar = the Tirthankars, the enlightened ford-makers in Jainism.
• Samiti = a committee/organization that coordinates activities.

Different Jain communities (Digambar and Shwetambar) may use the term with slightly different emphasis or charter, but the core idea remains organizing and promoting Jain teachings through collective effort. If you want, I can explain how a specific temple or sangh uses this term in its bylaws.