Sangeetha Mobiles — My phone has been theft

Address:	Bangalore, Karnataka, 560102
Website:	sangeetha mobiles

I lost my phone (Oppo f1s) on 8/6/2017 @around 7:30 pm was in a crowded bus while was getting down somebody has snatched it though i noticed it, it was too late to stop the bus and started shouting that someone took my phone but nobody noticed now m trying to file a case. The cops have asked me file it on e-lost website, as per the suggestion i did that now sangeetha mobiles says fir is must and should to claim the insurance and the cops says e-lost report is more than enough feeling lost please help me!!