HiIn GATE 2023 Application Form, you will have to fill Appendix A by providing your name, your fatheru2019s name, name of the department and the institute or college you are in, name of the programme you are pursuing, your roll number, registration number, student ID, name of the degree, current academic year and duration of the programme.After filling all the above mentioned details, you will have to sign the appendix and get a signature from the head of your department or a seal of your institute.Donu2019t forget to paste your passport size photograph and mention the date you are filling the appendix.How to fill GATE 2023 Application Form must be a question of concern for you right now but its advisable to fill it with a calm and alert mind.