Training????

I have Given PCC in may.10 and this was my 1st attempt and i got passed....Now i am in Final...My problem is that I have been on dummy from the starting but then I  realised my mistake and so i joined my office as soon as PCC exms were over....My training experince is of 2 months in JAIPUR but now i have a chance to go to MUMBAI in KPMG to do articleship

So should i go to MUMBAI for Training....What i am thinking is that the people in KPMG will consider that i knows everything as i am in Final but in reality i don't know anything....

Can i be able to Survive there???

Is it Really a good opportunity for me????

Plzz help me guys