DELETE FROM meta.itineraryPlaces WHERE PNR IN (SELECT PNR FROM meta.toShow WHERE toShow='0');
DELETE FROM meta.segmentDetails WHERE PNR IN (SELECT PNR FROM meta.toShow WHERE toShow='0');
DELETE FROM meta.pnrList WHERE PNR IN (SELECT PNR FROM meta.toShow WHERE toShow='0');
DELETE FROM Alternatefare.Fare_Details WHERE PNR IN (SELECT PNR FROM meta.toShow WHERE toShow='0')