Curlindia - Item not shipped, email message not delivered

I recently bought some supplements from curlindia.com.I paid rs.****.** through netbanking.initially I was unable to pay through debit card so I received an email from one rakesh sinha from curlindia asking me if he can help out with the payment.he sent a link through which I paid through sbi netbanking.we exchanged some mails as there was some delay in shipping the order.**th december I tried sending him an email but the email was not delivered. I tried to open the website but that also not possible.I got an email of the website but that also came back undelivered.I am unable to contact them and my item hasn't been shipped yet.I read about other customers claiming the company to be fraud and losing money through the website.please help me with this!!