I took TOEFL two times & GRE once when i was planning to have an admission in MS Civil Engineering in USA.

TOEFL is not difficult but stay aware how it is broken down into different sections. There is an essay at the end concering any topic. Just write it down with some care, i got 6/6 in that both times by just writing a normal length of an essay.

Dont worry about TOEFL, it should be okay.