In India, you can apply for a Portugal visa through VFS Global visa application centers. These centers are located in major cities like Delhi, Mumbai, Chennai, Hyderabad, and Bangalore. You need to book an appointment, visit the center, and submit your application along with the required documents. VFS Global handles the collection of documents and biometrics on behalf of the embassy. It is important to choose the correct center based on your location and follow the application guidelines carefully.