Tata Motors — they send offer letter and now they sending to pay 25000

Address:

Huladenahalli(v)&(p), Malur (tq),kolar (dist), Kolar, Karnataka, 563137

I am i got a call from tata motors. She name is niharika arora. They said ur selected our company, 2mrw telephonic round is their. I got call on next day they interviwed and they told u selected as a direct requirements. Now u pay 5000 for security amount it refundable. After i sended i got an offer letter and then u have to pay 25000 for training its also refundable.
Wt i have to do can u help