Called me and said is government grants and I have received a grant.

I got the same call did you ever get the grant

They called me as well and said they had grant money waiting for me and I needed to make a cash payment of 290.00 to have fun released to me.

Yes they told me $250 .. Did you do it!

To report the fraud, go here:
http://www.grants.gov/web/grants/support/general-support/grant-fraud.html
Their number is listed , along with an email address, at the top of the page.
Also here:
http://www.consumer.ftc.gov/articles/0113-government-grant-scams

http://www.usa.gov/

To file complaints on Foreign company's and scams:
http://800notes.com/forum/ta-d20d86fdc3e145c/reporting-international-scams
https://www.econsumer.gov/#crnt
eConsumer.gov: Report Your Complaint
E-mail: econsumerwb@ftc.gov

http://www.stopfraud.gov/report.html
http://www.fraud.org/

Its ILLEGAL to ask for money to receive it:

Prize Offers: You Don’t Have to Pay to Play!
http://www.ftc.gov/bcp/edu/pubs/consumer/telemarketing/tel17.shtm
http://www.consumer.ftc.gov/scam-alerts
http://www.consumer.ftc.gov/articles/0076-telemarketing-scams