What are my rights in Alabama when I was told that a child didn't belond to me.then when she has the baby she puts another man on the baby birth certificates and gives the baby his last name.when the baby turn 4 months old she call me told me te baby belong to me so we have a DNA and the baby is mind.now she want let me see him.l

The first thing you need to do, now that you know you are the father, is establish a relationship with your child.

In order to do that, you will need to establish visitation, and child support.

Here is some information that will help you to get started in the right direction:

http://www.ginamcdonaldlaw.com/Legitimation-and-Paternity/Rights-of-Unmarried-Parents.shtml

Good luck.