Identify the segment of the sentence which contains grammatical error. If there is no error in the sentence, mark ' No error '.
Having found that there was no petrol in his car and that too while crossing a forest, Rohan found him in a difficult situation.
1
Having found that there was no petrol in his car
2
and that too while crossing a forest,
3
Rohan found him in a difficult situation.
4
No error