HI Venkatesh,
Check in the decision tree whether you have used the following fields for determining the default work schedule rule,
| BUKRS | Company Code |
| WERKS | Personnel Area |
| BTRTL | Personnel Subarea |
| PERSG | Employee Group |
| PERSK | Employee Subgroup |
| MOLGA | Country Grouping |
As Srikanth told paste the screenshot for further assistance.
Regards,
MIthun K