Uploading a non-square photo aspect ratio
Use a 1:1 aspect ratio crop so that width and height are exactly equal before uploading to ociservices.gov.in.
OCI 申请照片和签名上传的官方指南:包含 2x2 英寸实体照片、1:1 比例 20-500 KB 数字上传和 3:1 签名文件。

Background must be plain, solid white with zero shadows or patterns.
Face height from bottom of chin to crown of head must occupy 70% to 80% of the image.
Eyeglasses are strictly prohibited—remove all glasses prior to photography.
Head coverage is allowed only for religious purposes and must not cast facial shadows.
Both ears and full forehead should be visible whenever possible.
Use a 1:1 aspect ratio crop so that width and height are exactly equal before uploading to ociservices.gov.in.
Compress the JPG image to stay between 20 KB and 500 KB while keeping dimensions at or above 600 x 600 pixels.
Crop the signature to a 3:1 width-to-height rectangle (e.g. 600 px wide by 200 px high) under 200 KB.
Stand in bright, uniform lighting against a flat white wall to avoid shadows behind the head or on the face.
Ensure equal width and height with face measuring 70-80% of total height.
Sign on clean white paper with a black pen, crop to a 3:1 ratio under 200 KB.
官方照片规则严禁修改、美颜或滤镜照片。仅使用工作室进行合规性检测、裁切及背景处理。