Google Business Fake Review Promoter Scam

Google Business Fake Review Promoter Scam, Someone from pretending as from Kolkata called me & ask me 6000/- rupees for fake reviews on my Goggle listing Business, I denied & Block Them found it's Fraud, but after sometimes they started calling me again & again threatening me because I was mark them as Fraud on Truecaller, Now I submitted Complaint to Cyber Crime Department for harrassing me you guys can also call 1930 or FIR Lodged against them in your nearest Police Station.