How get money refunded from a fraud company?

Query:Vir stock is company operating from gujrat ,they provide tips to trade in stock market.I got associated with them i did trading as per their input,later their representative suggested me to open trading account with them and he will do trading on my account he asked me deposit 25000 for trading i did after one month i asked the details of my trading account and statement then he refused for that and later he even stopped taking my calls after my several followup he doesnt pick my call at all.Then i spoke to Virstock customer service i explained everything but they said that they will look in to the matter but no response i am getting. As a proof i have their account number to which i have transferred the amount .And contact number of that person.And Virstock details from their website. I want my 25K to be returned by them and also i want to put case against them for harrasing me .Please suggest how to proceed.