you should lodge police complaint against person who used your email id to write bad review of the company

2) under section 66C of IT Act Punishment for identity theft. -Whoever, fraudulently or dishonestly make use of the electronic signature, password or any other unique identification feature of any other person, shall be punished with imprisonment of either description for a term which may extend to three years and shall also be liable to fine with may extend to rupees one lakh. ]

3) engage a lawyer and reply to the legal notice . mention that review was not posted . by you

4) enclose copy of the police complaint filed by you

5) in addition on google review site post clarification that bad review of the company was not posted by you . your email id was hacked and bad review posted . mention that you have filed police complaint against unknown person who hacked your email id

1. You can jot take this plea since your a/c was used for the same.

2.if you indeed did not make that post and your ac is hacked then lodge complaint with the cyber police and if on investigation if it established that your ac is hacked then only you can be saved.

3.otherwise the prosecution of defamation if filed would be initiated agaisnt you and you may find it hard to defend yourself.

Good luck.

First of all you give a suitable reply notice by denying all the allegations mentioned in their legal notice.

After wards you find out the possibilities to defend you strongly since you are not involved in it and how this has crept in.

You consult a local lawyer and discuss at length about all possibilities and your defence strategies.

You have the right to defend yourself, but if the review has been written from your profile then it is deemed that you wrote it, unless you prove that it was written by someone else without your knowledge and consent.