Yes, you can file RTI to know the procedure for changing the property tax paid for commercial purpose to residential.
You can request information under section 2(f), (i), (j) and 6(1) of the RTI Act 2005 from any local public authority where you are filing property tax to know the procedure.
For further assistance to file RTI application to any PIO please refer Online RTI-File RTI Online to Any Govt. Office in 3 Steps(All 29 States) https://onlinerti.com/