I am an Indian national, presently working in...

We would like to inform you that if you have residence in Qatar and with the case and the ruling having been found guilty of you and paid a financial fine and the case is fully completed and the judgment was implemented.
If they refuse to grant you the release certificate then you can hire a lawyer in Qatar to handle reviewing the Ministry of Interior and apply to get the certificate.
As the case is finished and the lawyer has place there.
Note that the authority may refuse without identifying the reasons.

Dear Sir, We are a legal department that provides legal advice and has nothing to do with us with any other as lawyers, but for whom we can refer to the Lawyers Association, which is the one who will nominate a lawyer for you after asking about its address from you. Thank you

Your inquiry involves several legal points, as follows:
1) If you pay the fine and do not receive the original receipt, the document with you is a notice of payment of the fine, not the original receipt, and it is possible that this receipt was not entered into the system for traffic management and it may cause you problems in obtaining a clearance, so you should refer to the Traffic Department and request to enter the receipt on the electronic system.
2) If the insurance company refuses to pay for that person, it will not cause you any legal problem unless the court ruling that you and the company are committed to solidarity. In this case, that person has the right to make your claim as well, but if only the obligation of the insurance company will not cause you harm if the company refuses to pay