Hii I have now one mistake in std10th in my hall ticket,my gender problem is there,but till my result is not declar then what can I do
You should consult your class teacher or school authorities about it as you are already too late.
You can also go this link and contact directly to CBSE officials and ask about it. Maybe you ll have to visit their office once -
http://www.cbse.nic.in/newsite/contact.html