I am F1 visa holder doing my education in USA for past three months, I intended to get my 5 years old son along with me, but his visa was not issued twice before my first visit to USA, now I am going to India to appear for my sons F2 visa the third time, my husband is in India and is busy with his professional priorities, I intend to submit my husband’s financial support documents and Affidavit of support (concern letter of father) can you Please help me with a concern letter format ? I want to present the case in the most professional way as possible. Please let me know if you may have any questions.
Considering my situation can you advise for any specific document that my help strengthen my case.