@Maninderr-Rishi,
Naukri.com, Timesjobs.com, Shine.com, Monster.com are some of the website from where you can purchase the database excess to download CV of Different Candidates.
Now Days two more webiste are doing great without incuring much cost to recruiter.
apna jobs & Hirect
If you are using Linkedin it can be your No cost recruitment partner if you know how to use it.