DA arrear process in Spark

DA arrear process Steps in Spark
_salary matters
_processing
_arrear
_DA
_DA arrear
_select DA arrear 20% and 17%
_processing period 1/2018 to   3/2019
_after processing
_Bills and schedules
_arrear
_DA arrear bill
_select inner bill,outerbill,bank statement .If NPS contribution employee is working, select  Arrear NPS schedule