Issues with ustraveldocs website -Need your inputs

Hi Team,

  1. I created profile earlier in ustravledocs(India) portal to schedule the interview, but due to slots unavailability i am planning to book the slot in Singapore (currently i am working here),
    I am getting the below error while creating the account in ustravledocs(Singapore) with diff email id, could you please advise.

Your personal details match the profile which already exists in our database. The user id of that profile is “XXXX”. If you created this profile in the past and forgot your password, please use “Forget your password?” function on the login screen. if this email isn’t familiar to you, please contact our helpline through Provide Feedback option in the left menu or by sending the email to our helpline. Please don’t forget to attach the scanned copy of your passport data page to your feedback message/email.’

2.Also could you please confirm that can i use the payment slip here is Singapore which i paid earlier in India


could you please advise here.