Nitin,
Q) How can i pass value of check box from same jsp page to another servlet where i can update my record ,
Update: you to have all the values from the screen along with checkbox value to the UpdateServlet.
(Similar way you have done in Delete Servlet).
Q) How can i had two submit button on same page OR how to submit checkbox value without using submit button to servlet
Yes you can have two Submit Buttons.
Create a hidden parameter say userSelect within the form.
Set the value for userSelect when the user selects either Delete/Update.
Without submit button; tell me at what user event you want to pass the values of the screen to servlet.