Hello

Following are the instructions given by NTA

Signature: Some instructions to follow while putting the signature are

• Put full signature in running hand writing on white paper with black Ink pen.

• Scan the image for uploading.

• Note signature should not be in capital letters.

Left-hand thumb Impression – NTA instructions for this are given below

• Put your left-hand thumb Impression on white paper with Blue Ink

• Scan for the image and upload it

• Make sure the thumb impression is clear and not smudged.

  Recommended

• In case of left thumb being unavailable, use the right-hand thumb impression.

If you signature or thumb impression differ in any way you have to change it but it can be only changed if you receive an email from from NTA.

Good luck