I Add Timing in Profile like
8 am to 9 pm 128k
and
9 pm to 8 am 512k

But after 9pm my user not connected and get error of verifying user name and password so i double check and get that in profile first one(time limit form 8 am to 9 pm) is activated and working but second timing not working so can any one tell me how to do that.

You should CoA for the profiles, which have different limitation in different time.
There should be 'radius-incoming' enabled in HotSpot, and for User Manager menu you have to configure the particular router to support CoA.

but i m using PPP so can you tell me how to do that

PPP does not support CoA unfortunately.

You should CoA for the profiles, which have different limitation in different time.
There should be 'radius-incoming' enabled in HotSpot, and for User Manager menu you have to configure the particular router to support CoA.

Can U explain what you mean on the above cus i have tried them, yet it cannot work. Can u give detailed or graphic picture of how to set this different timing for user in user manager test package.

Here is sample done already Thanks