Invest with tirupati - cheated in invest in trade

Good evening, My name is madhulatha, as i have some financial grudges thought to invest in trading and have seen page in instagram invest with tirupati, in thier bio they provided link to do conversation through watspp , i did the same, the trading ppl shared a pic of investment and returns andafter seeing few testimonials, i approached them, intially they said **k i paid , but no return was made and asked me to pay **k more to do withdrawl which is refuandable but not done that also, i asked for amount they said my trade got struck so pay **k we will give total profit, i stretched myself and paid **k and requested them to relase the amount , but they said it takes few days ..where as here due to my sons health not good to overcom that financial grudge i invested with them, i begged them to return my investment with our any profit n still they are not responding...please please help me ourt from this as i need save my son health