Dear pydi Sai
Don't take chance. It can creat a lot of problem for you.
i advise you to properly get the cast certificate as prescribed by IIT jee.
go to the website and download the format of case certificate .its a important part of councelling.
Please feel free to post as many doubts on our discussion forum as you can.
we will get you the answer and detailed solution very quickly.
All the best.