Please use the same email ID you used while filling your e-Visa India application form, to make sure you your payment can be updated to your valid application.
The Passport number should be same as written in your passport, incorrect passport number might effect your e-visa Grant/Reject Status.
e-Visa fee is inclusive of all fees (Processing fee, Gov fee, Service fee and Application & document validation fee)
Normal e-Visa & Urgent e-Visa is processed based on the Processing time you have chosen while making the payment.