Hello Sankar,
An alternative is to build the composite layup on a surface like you have been doing, but instead of extruding the solid model, you can import a solid mesh of the finished part (with cut-outs and everything) and then map the composite layup on the solid mesh. You will find more information about this technique along with an example model in the help:
https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v231/en/acp_ug/acp_ex_mapped_composite_solid.html
Let me know how it goes.
Reno.
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