You need to submit following documents -
a. Signed PAN Application Form 49A;
b. Two passport size photograph (size of photograph has to be “3.5 cm & 2.5 cm”);
c. The Passport copy should be duly certified by the Indian Embassy Abroad as the proof of the Identity and Residence

In case the address mentioned in your passport or driving license is other than the one you like to provide as Residence address for PAN application, then you may provide either of the following documents having that address:
- Copy of Bank Statement.
- Copy of any Utility bills.
- Copy of Passport.

More info please visit - http://www.incometaxindia.gov.in/PAN/Overview.asp