Hi Vadim,
*SELECT(%ISPLAN%,[ID],CATEGORY,[ID]=$TARGET_CATEGORY$ AND [ID]>=PLAN AND [ID]<=PLAN)
The above is working perfectly. For other scenarios, i used <> like below and its works fine.
*SELECT(%ISPLAN%,[ID],CATEGORY,[ID]=$TARGET_CATEGORY$ AND [ID]<>PLAN)
Thanks,
Naidu