Hi all i want to change my site's name server but i am totally unable to that please help me..
please read
current name server is net4india
want to change to: my own hosting name server hosted by hostgator

my problem:
when i am changing name server in my current net4india hosting i am facing a problem again and again. when i changes neme server in my current hosting it disappears after a while.
i want to know why it is happening with me, and how can i change the name server of my net4india hosting..
please help me please..