What is a sogan

In Jain usage, “sogan” likely refers to a vow or resolve, similar to sankalp or pratyakhyan—that is, a serious spiritual commitment taken with intention and discipline. ( jainknowledge.com)

In simple terms, it means:

• making a firm inner resolve,
• often for a specific Jain observance,
• and following it sincerely with restraint and mindfulness. ( jainknowledge.com)

If you meant a different Jain word, the spelling may be slightly different.