Hi Pinku,
Are you trying to deploy a number of reports just straight from the RDL files into a CRM deployment or are they already in one and you want to move them to another.
If they are in an org you can make a solution with just the reports in it or include it in another.
If you are trying to deploy a large number of RDL files there aren't any out of the box tools or anything I've heard of out on something like Codeplex that do this. It should be possible to build but I haven't seen one.
Thanks,
Jarrod