1.1  Passport or travel document with validity not less than 6 months with two blank pages. Two signed copies of front and last page of passport.  
1.2  One visa application form completely filled in and signed by applicant. 
1.3  Two colour photographs of the applicant with the specification 3.5 x 4.5 cm. not older than 3 Months with white background, face and eyes are in direct position to the camera, without sunglasses or hat or any other head covering, except for some religious beliefs or ethnic background.
1.4  Proof of residence in India (if not Indian national).
1.5  Evidence of travel: A photocopy of confirmed return ticket from the airline.

2.1  Original Letter from the Indian company with company's profile, confirming the applicant's current designation in the company, purpose of travel and period of travel. The letter must have the company’s letter head indicating applicant’s name, passport details with valid date, indicating the intention for travel and name of the Thai company or organisation (counterpart).
2.2  Original Invitation letter from the Thai company specifying the name of the applicant, the purpose of travel and the period of the meeting /conference. The letter must have the company’s letter head indicating applicant’s name, passport details with valid date and signed by authorised person with a copy of his/her ID card or passport).
2.3  Project's / Assignment's contract indicating rationale and the terms of contract, e.g. position and duration of contract; if the duration of stay exceeds 15 days.
2.4  Company Business License (document must be in Thai language).
2.5  Certificate of business registration with list of shareholders; issued no more than 6 months (Document must be in Thai language).
2.6  Thai company’s business & income tax papers (Por Ngor Dor 20 and/or Por Ngor Dor 50/30 of latest tax payment year).
2.7  If the Thai company is newly established and does not have tax papers then require a letter from the Thai company stating the mentioned facts. The letter must be stamped and signed by executive level with attached copy of ID proof or passport.
2.8  If the applicant is self-employed, he or she must provide documentation of his or her business undertaking and income in India including business license/registration and detail of business operation, VAT/services tax registration certificate, and evidence of income tax payment in India where applicable.
2.9  Thai company profile.

3.1  Proof of hotel/accommodation reservation in Thailand from the hotel/accommodation with contact number and address which should include applicant's name and/or rental agreement in Thailand with a signed copy of Thai ID cards of the lessor.
3.2  If staying at company’s accommodation, must provide the Company’s letter mentioning the address and contact information of the mentioned accommodation.

4.1  Thai company’s balance sheet from past year (document must be in Thai).