48-year-old Headley, a Chicago resident who was arrested by the FBI in October, made several trips to India to get videos and pictures of terrorist targets in Mumbai at the behest of LeT. His school friend, Pakistani-Canadian Tahawwur Hussein Rana, 49, had also been arrested on similar charges.
Headley's original visa application form dated June 30, 2006 and all documents submitted by him when he applied for his visa to India were retrieved yesterday, the sources said.
These documents were not traceable so far from the stack of the visa documents dumped in the record room of the Indian Consulate in Chicago.
The External Affairs Ministry had ordered an inquiry into the matter.
Original documents are being sent to India, the sources said.
The visa application from has the date of June 30, 2006. Headley was subsequently given the business visa for one year. In 2007, his visa was renewed for five years.
After his arrest by the FBI, Headley's visa was cancelled by the Indian Government.