According to section 43 (b) of IT Act 2000, if any person without permission of the owner or any other person who is incharge of computer, computer system or computer network - downloads, copies or extracts any data base or information from such computer, computer system or computer network including information or data held or stored in any removable storage medium;
he shall be liable to pay damages by way of compensation not exceeding one crore rupees to the person so affected.
It seems your case is a fit case. You need to approach cyber branch of police and make a complaint.
21st April 2014 From India , Mumbai