Larsen & Toubro Infotech [L&t] — online selection letter

On mail one letter received from land t.
By using company letter head with sign of l and t personnel on it. Along with mobile number and the link on letter.in this letter it was informed to pay the fee for the security as mentioned in letter for an interview. Fee was paid as per the norms mentioned in it. Now how i can get that money back. This fraud affair is done by using the company's name and this is attracting needy people. This matter must stopped as well as the people behind this must be prosecuted.