Hi Rahul,
How many emails you need and give me the list of keywords. I am ok to carry on this project.
I will mine keywords from internet, verify it and sort emails as you requested.
I use high end email mining software which is capable of scrapping live emails through web, social netwoks, etc. I agree with your budget
Please do let me know if you are interested on my proposal.
Thank you,
Prabath.