*** Moved from Bringing Family of USC forum to IR1/CR1 Process & Procedures, where topics about visa case for spouse of USC are discussed ***
Is the Nadra marriage certificate in English? If not, you will need to submit a certified English translation.
Do you have other evidence of bona fide relationship? Wedding photos may not be enough, especially if your wife will be interviewing at Islamabad, which is known to be a difficult consulate. The strongest evidence would be evidence of time spent together in person, like passport stamps, boarding passes, hotel receipts. For Islamabad, I recommend evidence from more than 1 trip before filing the I-130.