letter writing for visa

i want to write a letter to consulate general saying that my visa process will take care by travel agency.........

i drafted one letter .....kindly review it & suggest me to make the letter perfect

To,
Consulate General of the Federal Republic of Germany,
No: 9, Boat club road, R.A.Puram,
Chennai – 600028, Tamilnadu, India.

Dear Sir/Madam,

Sub:,
This is to inform you that __________ travels located in_____________ will take care of Our visa process