Hello Selva,
Please follow the below step for the batch management indicator field in Material master purchasing view
1. First check the field group number for respective filed group:
Filed name : MARC-XCHPF and selection group: 75
2. Go to Tcode: OMS9 Tcode: enter the field selection group as "75" with field name "MARC-XCHPF"
3. Now Select the field ref and as per your requirement and you can set the Indicator as Hide/Display/Req entry/Opt entry for Tcode: MM01/mm02/mm03 or for specific material type HALB/FERT/ROH.
Please check in your system and confirm the same.
Regards
Umesh Mali