"As i am illegal, i have a c1/d visa and am working in past two year. if immigration reform will come my status will change or not"
If you have a C1/D visa and have been working for the past two years, your status will not change. This is because your working time does not determine your status but how you entered that state. Read more on http://www.immihelp.com/visas/c1dcrewmenvisa.html and http://travel.state.gov/visa/temp/types/types_5005.html.
only if you join the military
You should call the local town hall where you are living. They will help you out.