The overall tele-density in India declined to 90.11 at the end of March from 91.86 in February.
Sharma also promised an "audit" of subscriber management and other IT systems of errant operators.
RS Sharma, who was involved in the development of Aadhaar, said that the Supreme Court after a lot of deliberations held there is no threat to individual privacy from Aadhaar.
In July, this year, Sharma had disclosed his unique ID number on Twitter and asked people to show how mere knowledge of the number could be used to harm him.
The minister earlier in the day shared change in name of Telecom Commission- apex decision making body at the Department of Telecom, to Digital Communications Commission.
We had always been saying that Aadhaar is secure and safe; it has actually followed the principle of privacy preservation; and it does not violate the Right to Privacy.
Telecom Regulatory Authority of India (Trai) chairman R S Sharma was left in an awkward situation on Saturday after he shared his Aadhaar number online and issued a challenge.