Form for Renewal of Travel Document

[immihelp]

I need help in renewing my mother I-131 (Application for Travel Document).
My mother at present she is in India(Mumbai) her Travel Document is getting expire on Aug 2011.
My mother she wants to renew her Travel Document because at present she cannot come to USA because my sister-in-law is having Renal failure or kidney failure (both kidney). My mother she look after my sister-in-law and her three kids.
I look the USCIS website but cannot find the Form for Renewal of Travel Document.
Please let me know the form number and correct procedure.
Thanks for the Help.

[immihelp]

She can not do it from India. https://www.immihelp.com/i-485-adjustment-of-status/advance-parole.html