7th Pay Commission Report Washing Allowance
For the upkeep of the uniform, separate allowances called Kit Maintenance Allowance, Washing Allowance or Robe Maintenance Allowance are granted, at rates varying from ₹100 pm to ₹600 pm.
PBORs of uniformed forces are supplied with uniforms. Hence, they are not granted any allowance for this purpose. However, for maintenance of the uniform, they are paid a Washing Allowance monthly, which is a part of their Composite Personal Maintenance Allowance.
source: 7th CPC Report