Yes. You can file RTI to know the status of your road tax refund application.
The RTI application should be addressed to the designated PIO of the concerned RTO, mentioning the Vehicle Registration No., Date of application, amount and name of the RTO. You can also send a copy of the Road Tax Refund Application and a copy of the acknowledgement received from the Department along with the RTI Application.
For further assistance on filing RTI please refer https://onlinerti.com/