My name is srinivas. My son born date:11-11-2009 I allredy taken birth certificate ( greater visakhapatnam )but I want change the name in birth certification.

My name is srinivas my son born date:11-11-2009 I have allredy taken birth certificate(greater visakhapatnam) but I want to change my son name. Is it posable. If posble how it is tell me proseger