Jayant Singh, the father of the girl, said, "I have put my point before the officials during the one-and-a-half-hour interaction. The doctors gave wrong treatment to my daughter ... I have submitted the medicines prescribed by them to support my claim."
Haryana's Additional Director General of Health Rajeev Vadhera is leading the three-member team.
Mr Singh hoped that the probe committee would reach a logical conclusion in the matter.
When contacted, Mr Vadhera said he would not be able to say anything until the investigation was completed.
The hospital allegedly billed her family almost Rs 16 lakh.
However, it had refuted the charges, claiming the patient's family was informed about the bill on a daily basis and that there was no medical negligence.
The Haryana government had on Thursday ordered a probe into the allegations after the Centre had asked it to initiate an urgent inquiry into the case.
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