Fake call Sumsung c7 pro offer

Hello guys…I receive a call at [8-Dec-2018 (time 03:26 pm) ] for this no.8745049741 "Neha…
And a lady told me that… Your Jio no. Has selected to a grand discount.. you get a Samsung C7 pro only in 4500 only… and this offer is only applied on your Jio no.
And today I receive a confirmation call [10-Dec-2018 (time 11:43 pm)] this no.9599991088 "Disha… And I accepted their offer…☹

But today I get some news about this fake call ……my friend told me about this fake call… & a major problem that… I gave them my address and phone no.
So I write a complaint about this in advance to save myself