Skokka — someone used my mobile number to post sex ad on skokka website

Someone created fake porn advertisement using my phone number and picture so please remove those and help me, please i request you to remove my number from skokka website, the link is below where they posted my mobile number
https://hi.skokka.com/call-girls/bangalore/i-do-provide-phone-c6nf[protected]/
Take a strict action against them, who have posted my mobile number on skokka, daily i am getting at least 100 calls for sex, etc...
This is very bad, how can somebody post such a thing on any website?