RTI Appeal

I filed an RTI application with the local municipality to get the list of employees and their salaries. The PIO denied the information citing section 8(1)(j) of the RTI Act, saying it's personal information. I don't think this is correct as the salaries are already publicly available. What can I do next? Should I file an appeal?

I filed an RTI application to get the information about the employees of a government department. The PIO denied the information citing section 8(1)(j) of the RTI Act, saying that it's personal information. Is this correct? Can I appeal?

I filed an RTI application and the PIO disclosed the information citing section 8(2) of the RTI Act, saying that it's in the public interest. Is this correct? Can I appeal against this decision?

I filed an RTI application to get the information about a criminal case that was investigated by the police. The PIO denied the information citing section 8(1)(h) of the RTI Act, saying that the investigation is still ongoing. However, I know that the investigation is already over and the case is closed. What can I do?

I filed an RTI application and the PIO denied the information citing section 8 of the RTI Act. How can I appeal against this decision? What are the grounds for appeal?