You are seeking information about a book in PDF format containing the "charitra" (biographies) of the 24 Tirthankar Bhagwans in Jainism. Many Jain organizations and publishers have compiled such books in various Indian languages.

Some well-known resources include:

1. "Shri 24 Tirthankar Charitra" – This is a popular book available in Hindi, Gujarati, and other languages. It details the lives and teachings of the 24 Tirthankaras.
2. "Tirthankar Charitra" by Jain Agam Granth – Many Jain temples and libraries have digital versions.

To find a PDF:

• Visit the official websites of Jain organizations, such as jainelibrary.org or jainpustak.org .
• Search for “24 Tirthankar Charitra” or “चौबीस तीर्थंकर चरित्र” on these platforms.
• Registration (free) may be required to download books.

Direct Links:

• 24 Tirthankar Bhagwan Charitra (Hindi, PDF) - Jainelibrary
• Tirthankar Charitra (Gujarati, PDF) - Jainpustak

These sites provide authentic Jain scriptures and biographies in PDF format for study and devotion.