you can file complaint against vodafone before consumer forum and seek compensation for mental torture undergone by you 

also seek litigation costs 

however legal expenses would be far more than compensation awarded by consumer forum 

they have accepted their mistake . if you want compensation then you have to sue them for compensation 

- As per Supreme Court, One is bound to tolerate criticism, dissent and discordance but not expected to tolerate defamatory attack,

- Under sections 499 and 500 of the Indian Penal Code, defamation is a criminal offence. Defamatory acts can include “words either spoken or intended to be read", signs or visible representations, which are published or put up in the public domain. The offence is punishable with up to two years imprisonment, a fine or both.

- You have a legal right to live in the society peacefully and respectfully. Law of the land is bound to protect you.

- Your mentioned details are amounts to Defamation, and a criminal case can be filed against this company.

- Hence, firstly lodge a compliant before the police and higher officials against the said acts of the officials of Vodafone.

-  Further , you can also approach the Consumer forum as well for claiming compensation of harassment. 

They are scared, you may upload your grievance to DoT website. Do exactly that. You can even file a civil suit seeking damages of mental harassment from Vodafone.  

You are not restricted to take legal action agaisnt the staff of the service provider for their false actions and the threats they posed so far without ascertaining the facts.

You can even approach consumer redressal commission with your grievances in the form a complaint and seek necessary relief and compensation to compensate the mental agony they caused. 

You are at your liberty to escalate the matter through legal forums namely consumer forum or a complaint to the DoT  as epr the procedures laid down for the purpose with the department.

Dear client,  

If Vodafone Idea has admitted to their mistake and have waived off the incorrect charges, then you can ask them to provide you with a written confirmation of the same. This will ensure that you have a record of their admission and their commitment to rectify the mistake. You may also ask them to provide you with a copy of the legal notice that was sent to you, as it is your right to receive such a document.

If you have been subjected to mental harassment and daily threats from Vodafone Idea, then you can file a complaint with the Telecom Regulatory Authority of India (TRAI). You may also consider filing a police complaint against Vodafone Idea and the individual(s) who have been harassing you and your parents. It is important to keep a record of all the calls, messages, and other forms of communication from Vodafone Idea as evidence to support your complaint.

If you feel that your complaint has not been addressed properly, you can escalate the matter to higher authorities such as the Department of Telecommunications (DoT) or even the Prime Minister's Office (PMO) if necessary. However, before taking any such step, you may want.