Depending on the purpose of your travel to Portugal, there are different types of visas that will apply to the occasion. Whether you are planning to go on a visit, study or work and reside there permanently, you will have to apply for a different Portuguese Schengen Visa, accordingly.
General required documents for a Portuguese Visa Application:
- Firstly, download the application form, fill it completely and with sincerity. You can also fill the Portugal Schengen Visa application form electronically and then print a hard-copy.
- 2 photos must be attached; the photo should be of passport format – a recent whole-face capture with a light background. Learn more about photo requirements and specifications for a Portuguese Visa.
- Your passport and copies of your previous visas – valid for at least 3 months beyond return date – are required. Your passport must have at least two blank pages.
- A copy of your return-ticket reservation. It is not recommended to purchase the ticket before obtaining the visa – if not otherwise required
- Travel medical insurance confirmation of minimum 30,000 € coverage within Portugal and the entire Schengen area
- A cover letter stating the purpose of visit to Portugal and itinerary
- Hotel and flight ticket reservations (if applicable)
- Proof of civil status (marriage certificate, birth certificate of children, death certificate of spouse, ration card if applicable)
- Means of subsistence – Proof of sufficient financial means for the period of stay
More Info : http://www.schengenvisainfo.com/portugal-visa/