Naaptol Online Shopping — My personal info leaked to fraudsters and no action taken by your company

I received a call a few days ago from a person who had all my personal information including my personal number, naaptol order numbers and order details and even my house address. they had the original naaptol ringtone and their message came from a IM-NAPTOL address. believing it to be original they said i had won a tata safari and took rs. 20500 in total. i did call the customer care but to no use as i couldnt hear what they said. now the people who had called me are willing to give me the rs.20500 but only after i give them rs.500 again. i called the customer care again to complain about my personal information getting leaked by their company but again of no use. naaptol, you may lose your credibility with your consumers if you dont take any action sonn because i am planning on registring a formal against both the parties to the consumer cell of india.