A novel divisible pulsatile drug delivery system and methods of preparing a novel divisible pulsatile drug delivery system are described in present invention. The present invention provides a novel divisible pulsatile drug delivery system, which is divisible from specific region of dosage form into two or more segment without compromise with lag time of drug release from drug delivery system. Present invention also provide a pulsatile drug delivery system having adjustable lag time for release of drug from dosage form before administration.