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I have fallen in an accident.
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Hasibul Alam I have fallen in an accident.

This is not very idiomatic.

You can say one of these instead:

I accidentally fell. / I have accidentally fallen. / I had an accident. I fell.

CJ

Comments  

No, this is not correct.


You can use sentences like:

1. I had an accident

2. I met with an accident.

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 CalifJim's reply was promoted to an answer.
VishalSingh2. I met with an accident.

This is not common in England.

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