Well all 10 numbers seem to fit in the 0 to 9 structure. As for your caller we'd need a little more information. Do you know anyone in this City/State? Were you left a message? Hang up call? Need a little something to go on here.
(1) If you got a cold call offering you a grant and
(2) the caller had an Indian accent and
(3) told you you didn't have to pay it back and
(4) you were one of a few who where chosen because your are such a good citizen and
(5) all you have to do is send a little money to someone by Green dot or similar untraceable mesns, then it's a pretty good chance that you got hit by a scam call.
No...it's a scam. They'll tell you that they need a credit card # or your banking info (routing and account number) to deposit the "grant"... They'll actually use that information to REMOVE money from your account or max out your credit card. Don't answer, or it you do, hang up without saying a word.