Hi Anshul.Mittal,
Can you make sure that your installer is ok?
I suggest you check the installer. If it is not the ISO file that you used to install VS2010, you can install the installer in another machine. If it can be installed fine in another machine, it means that the installer is healthy. If it can't, a high possibility
is that the installer is broken and you need to get a good one. If you want to re-download an installer, you can get it from the MSDN subscriber download center.
If you have the ISO file, please verify its checksum to match with the correct one which shows in the download page. After they matches, install it.
Best regards,
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