Hi Adithya,
First of all, I would like to apologize for the delay in responding. I know it is too late to respond, but we would like to know if the issue is fixed or not.
If still you are facing the same Blue Screen issues, then I suggest you to try the steps in the following Microsoft Help article and check if it works for you.
http://windows.microsoft.com/en-us/windows7/resolving-stop-blue-screen-errors-in-windows-7
Disclaimer: While performing chkdsk on the hard drive if any bad sectors are found on the hard drive when chkdsk tries to repair that sector if any data available on that might be lost.
For further reference, you may refer to the following Microsoft MSDN article.
http://msdn.microsoft.com/en-us/library/windows/hardware/ff559218(v=vs.85).aspx
Please reply with the status of the issue so that we can help you better.