Hi Satish,
There are lot of things you can do in order to improve the performance in CTM.
Take a look of this note:
Note 1070611 - CTM order reading performance problem
After implementing this note the fast order reading functionality can be activated if CTM planning parameter FAST_READ is used with value1= X.
Also, read these articles:
Sometime ago, we have maintained the following parameters to improve the performance:
EXCLUDE_LC X
FAST_READ X
FIX_PEG_LC X
Kind Regards,
Mariano