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ADVERTISEMENTChallenging FY19 For Persistent SystemsChallenging FY19 For Persistent Systems NDTV Profit30 Apr 2019, 11:15 AM IST 30 Apr 2019, 10:46 AM IST30 Apr 2019, 11:15 AM ISTWhatsAppX (was Twitter)FacebookTelegramSaveChallenging FY19 For Persistent SystemsADVERTISEMENT