BENGALURU: Telecom Regulatory Authority of India ( Trai ) chairman RS Sharma on Saturday publicly tweeted his full Aadhaar number - 7621 7768 2740 - and challenged Aadhaar critiques to see if they could do him any harm.Sharma's tweet was in response to an anonymous tweeter who asked Sharma to share his personal data. Tweeter @kingslyj on Saturday tweeted: "Walk your talk @rssharma3! Publish your Aadhaar details to the public if you have so much trust in this 13-feet wall secured system".To which Sharma responded with his Aadhaar number and said, "Now I give this challenge to you: Show me one concrete example where you can do any harm to me!"This challenge saw hackers like Robert Baptiste aka Elliot Alderson, Kanishk Sajnani and Karan Saini post details such as Sharma's mobile number linked to Aadhaar, his alternate mobile number, his postal address, his email address, date of birth, PAN card number, state of birth and current state of residence.To Sajnani's tweets, Sharma asked, "That does not cause me any harm! Does it?" He, however, did not dispute or clarify whether the details published by the hackers were true.When Twitter users asked how one could be sure that the mobile number was truly his, the hackers posted documents from government websites that showed the mobile number had been listed as being used by his secretary.TOI could not verify if the details posted were true. When TOI tried calling the mobile number that was published, it was switched off.Twitter users were still wary and asked, "Sir, please do a press conference or provide some legal assurance that you won't be bothered if anything illegal happens..." Sharma responded: "Show me friend! I promise that I will take no action against you".