An all-out war erupted on Twitter after TRAI chairman RS Sharma on Saturday disclosed his Aadhaar number on the microblogging site and challenged everyone to show how mere knowledge of the unique number could be used to harm him, triggering a deluge of tweets that claimed to disclose his personal details from PAN to mobile number.

The challenge by Sharma evoked an immediate response from the Twitterati, with some users claiming to have dug up his mobile number, photographs, residential address, date of birth and even chat threads using the information, while others warned him about the perils of throwing such a dare on the social media platform.

While much of the information that was dug out may already be in the public domain, the Telecom Regulatory Authority of India (TRAI) official did not verify whether the details pertaining to his PAN were indeed correct.

When contacted by PTI earlier in the evening, Sharma declined to make any detailed comment on the matter by saying, "Let the challenge run for some time".

Giving out his full Aadhaar number, the TRAI chairman had tweeted: "Now I give this challenge to you: Show me one concrete example where you can do any harm to me!"

The challenge by Sharma has got over 2,850 retweets, and 3,364 likes, and the numbers continued to climb well into the night.

Sharma himself continued to engage in the verbal duel with the Twitterati till late hours, dismissing much information being revealed as 'public information' and seeking to debunk the theory that "Aadhaar compromises the privacy of the person".

"...Yeh details koi state scret nahin hain (These details are no state secret)...," retorted Sharma at one point, even chiding one of the users for disclosing an address that was old and asking if he (the user) would like to have his latest address.

A French security expert who goes under the pseudonym Elliot Alderson, (@fs0c131y) wrote, "People managed to get your personal address, dob (date of birth) and your alternate phone number. I stop here, I hope you will understand why make your #Aadhaar number public is not a good idea."

While many on Twitter claimed victory over 'leaking' Sharma's personal details post the challenge, the TRAI chief asserted through multiple tweets and replies that the challenge had never been about phone numbers and other information, but for causing harm using knowledge of his Aadhaar number.

"No I did not challenge them for phone number and other info. I challenged them for causing me harm! So far no success. Wish them luck," Sharma wrote on Twitter.

The high drama played out on the microblogging platform just a day after Justice Srikrishna committee came out with its report on data protection where it mooted changes in the Aadhaar Act and proposed new safeguards to protect information of Aadhaar holders.

Sharma, former UIDAI (Unique Identification Authority of India) director general, has been an ardent supporter of the Aadhaar program, vouching for the safety of the system, and dispelling privacy concerns surrounding Aadhaar even during his current tenure as TRAI Chief.

"Data privacy is a big and very important issue in a digital world. I am one of the most vociferous supporter of that. However, the only thing I am saying is that Aadhaar does not violate privacy," Sharma tweeted on Saturday.

Meanwhile, Justice Srikrishna panel on data protection has recommended that the Aadhaar Act be amended "significantly" to bolster privacy safeguards, and mooted that only public authorities discharging public functions approved by the UIDAI or entities mandated by law be given the right to request for identity authentication.

The report, submitted yesterday, assumes significance given that public and private sectors are collecting and using personal data on an unprecedented scale and for various purposes, and instances of unregulated and arbitrary use, especially that of personal data, have raised concerns about privacy and autonomy of an individual.

Over the last one year, there have also been reports of personal information being allegedly compromised with increasing use of biometric identifier Aadhaar in an array of services. Meanwhile, the Supreme Court has reserved its judgement on a clutch of petitions challenging the constitutional validity of the Aadhaar Act.