Write a letter of apology to your friend, describing the accident that did not allow you to attend his marriage.
D-14, South Extension Part-I,
New Delhi – 110 049.
February 11, 200___
First accept my hearty congratulation on your marriage. I am extremely sorry for I was unable to attend your marriage. As I was going to the Railway Station, I met with a serious accident. My auto was running at a great speed and suddenly a taxi coming at a full speed from the opposite side, collided with the auto. I was thrown off. I have sustained some injuries in my head and fractured my left leg. I was immediately taken to a hospital.
Now, I am improving and you need not worry about me.
I am sending your wedding gift by the registered parcel.
Once again accept my hearty congratulation on your marriage.
Give my regards to Bhabhiji.