Srilanka Business The ETA under the Business category is unavailable till further notice. Applicant can submit application for Business visa with the following documents: Valid original passport with 6 month validity. Photocopy of the passport first & last page. Visa application form duly filled and signed by the applicants. 2 recent passport size colored photographs with white background mat finish (35 x 45 mm) with 70 to 80 % of the face should be seen in it. Confirmed return air ticket. Original covering letter from the company with complete details addressing it to "Sri Lanka High Commission", New Delhi. Invitation letter from Sri Lanka. One copy of the invitation should be sent directly through fax to Sri Lanka High commission at the Fax No.: 00911123793604. Foreign exchange endorsed on the passport OR International credit card copy (front and back).