http://www.nasha.co.in/blog/2008/02/11/surviving-a-damaged-indian-passport/
7 days rush processing 1200php file for lost or damaged passport
Then you should go explain what happened and get a new one, Depending on how damaged it is.Added: In response to the additional posted discussion: It all depends on whether it is considered so damaged as to be unusable in the laminating process, or that the damage alters the image of the applicant to the point where they may not be recognizable. The decision is entirely up to the US Passport Office!
In most countries, especially the USA, even if the passport expires, no problem. You can renew the passport or get a fresh one. The visa must be valid and should not be canceled or mutilated or damaged. Only one passport must be valid. The valid passport and the passport containing the visa - both - should be issued by the same country. Most countries have the same rule as above.
yes need to get a new one.
Check out the Department of State website to obtain a replacement.
Yes it should be on your passport.
Passport
Your passport should have the expiration date on it.
I should be on your first page or in the last page of your passport.
I think it should be on your front page or in the back page of your passport.
I think you should be able to do so. Please contact the passport authority of your country, they should be able to help you out.