Rnq Solutions — rnq solutions company is threatening me to pay amount to them

I'm bharath,. Few days back i've applied for rnq solutions company for work,. Later on they explained me about the work,. After listening to that,. I rejected their offer to work,. And from then they are asking me around 30000 to pay penalty amount, and they are threatening me to pay amount with their advocate,. I haven't even accepted their work but they are threatening me to pay amount,. They are saying that they will file a suit against me in the court of law, kindly please solve my issue