Your client can fill out these claim forms for Total Permanent Disability claim and Accidental Death claim. The list of required supporting documents are detailed in the form. Upon completion of the form, they may send to TMLS via the following address:
Customer Service Section
20 McCallum Street #07-01
Tokio Marine Centre
Singapore 069046
Of course, you may choose to assist your client on this matter as well. For a pictorial view of the claims flow, you can refer to this document.