List<EnrolmentEvaluation> evaluations = this.getEnrolment().getRectifiedAndRectificationEvaluations(this.getMarkSheet().getMarkSheetType());
List<EnrolmentEvaluation> evaluations = this.getEnrolment().getConfirmedEvaluations(this.getMarkSheet().getMarkSheetType());
    public MarkSheet getRectificationMarkSheet() {    	if(!this.getEnrolmentEvaluationState().equals(EnrolmentEvaluationState.RECTIFIED_OBJ)) {    		return null;    	}    	List<EnrolmentEvaluation> evaluations = this.getEnrolment().getRectifiedAndRectificationEvaluations(this.getMarkSheet().getMarkSheetType());    	int index = evaluations.indexOf(this);    	EnrolmentEvaluation rectificationEvaluation = evaluations.get(++index);    	return rectificationEvaluation.getMarkSheet();    }