The Centre told the Supreme Court it did not wilfully violate its October 9 order on the Delhi protest-related internet shutdown.
Union home secretary Govind Mohan filed an unconditional apology and asked that the contempt notice against him be dropped.
The affidavit said cellular internet was suspended from 10 pm on October 9 to 10 pm on October 10 within a 4 km radius of Raisina Hills.