To the HR,
I am Arun and I am interested in the position of Civil Engineer in your company. I have the required skills and qualifications for this position. I am a hard worker and I am sure that I will be a valuable asset to your company.
I am excited about this position and I believe that I can contribute to the success of your company. I am looking forward to working with you and I am confident that I will be a valuable member of your team.