Write a letter to your friend informing your preparation for the coming SSC/HSC Examination.
My Dear Sumona,
I have not heard from you for a long time. Perhaps you are busy with your studies and by this time. You could make a good preparation for the coming SSC/HSC Examination.
I am sorry to let you know that I could not yet prepare myself well for the ensuing SSC/HSC Examination. You know I have to spend much of time and energy for private tuition to bear my educational expenses. In spite of that I am working hard to prepare myself for this examination and hope to complete the syllabus and a make a good preparation by this time. Tell me about your preparation.
No more today. Pray to Allah for me. With best wishes to you and love to the younger ones.