Family Visit Visa Query

[rreddy]

Dear Team,
I am filling my monther-in-law visa applicaiton and have following questions in Spouse/Partner section under family

What is your marital status? Married
Will your spouse/partner be travelling with you - NO

Her husband has no passport and what information we need to fix for the following questions. Please let me know

Current Passport or Travel Document Number
Nationality
Family Name / Surname
Given Name(s) / Forename(s)
Date of Birth
Does your spouse / partner currently live with you? - YES
I can fill all the details apart from Current Passport or Travel Document Number. Please let me know how to proceed further