Sometimes salaries are different as per experience and qualification in a company, how to handle clashes among employees about salary?

It happens and its common, the head of HR and Finance or Payroll head must be clearly indicated to NOT share any such details to other. When salary slips are ready at the end of the month. Every individual should collect it by hand. To seniors, it must be provided during their presence. Strict policy adherence is key to keep this issue cool.