Green card, also known as the United States Permanent Resident Card, is one of the most valuable documents in the world that authorizes an immigrant to work and live permanently in the U.S. A green card is mandatory for you to become a Lawful Permanent Resident (LPR) of the U.S. An individual who marries a U.S. citizen is also eligible for a green card.
Getting a green card through marriage is a multi-step process. If you live in the U.S. and want a green card for your spouse, then you must fill an I-130 petition for alien relative with the U.S. Citizenship and Immigration Services (USCIS) along with a proof of your relationship. In addition, you should submit Form I-485, a marriage green card application for adjustment of status (AOS) to get a permanent resident card. While filing the petition, you also need to produce proof of your spouse