Skylink — About refund my money

Hi sir,
I'm karthick, two months back, I booked for a saw a post in linkedin and I have send a message for that to know about that courses after they call back and said about that courses after that im not interested and I leave it .
After one month they call me continuasly for joining, then one full day they call me for joining and saying that this is the last day so plz put admission I'm also enroll my name and pay 5000 after that they are asking documents for loan. They said that today is a last day to join tmro onwards classes will be started but after that one single classes also not there. They just make me to pay money only. After that I have some financial issues also so I asked for refund but they are saying that no refund.
So please help me to refund atleast half amount.