ETA is required to get visa on arrival ETA can be taken from the official
Traveller who are planning for holiday visit, a short business trip or to transit through, needs to apply and obtain an ETA prior to arrival in Sri Lanka.
Take ETA from Official website:
Submit the application.
Receive the acknowledgement.
Receive ETA approval or a referral notice. If a referral notice is served, you may contact Department of Immigration and Emigration for the necessary ETA.
Must Keep ETA to enter in Srilanka
It is advisable to keep a copy of the ETA approval with you to be produced at the point of entry in Sri Lanka. All ETA holders should produce the following requirements at the port of entry: