while creating excise invoice the "basic excise" duty is not getting reflected in excise invoice from Commercial invoice
Check whether the condition types have been maintained in maintain excise defaults.
Logistics General --> Tax on Goods movements --> India --> Basic Settings --> Determination of Excise Duty --> Maintain Excise Defaults
Here you need to maintain condition types of BED, Ecess, SECess in A/R BED cond, A/R Ecess cond and A/R AT1 cond. Also maintain condition types for percentages.