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<xbrli:context id="OneOperatingExpenses03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:DetailsOfOtherExpensesAxis">in-bse-fin:OneOperatingExpenses03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneOperatingExpenses04D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:DetailsOfOtherExpensesAxis">in-bse-fin:OneOperatingExpenses04Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
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<xbrli:context id="OneOperatingExpenses07D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:DetailsOfOtherExpensesAxis">in-bse-fin:OneOperatingExpenses07Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
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<xbrli:context id="FourOperatingExpenses07D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:DetailsOfOtherExpensesAxis">in-bse-fin:FourOperatingExpenses07Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourOperatingExpenses08D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:DetailsOfOtherExpensesAxis">in-bse-fin:FourOperatingExpenses08Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourOperatingExpenses09D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:DetailsOfOtherExpensesAxis">in-bse-fin:FourOperatingExpenses09Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentRevenue01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsAxis">in-bse-fin:OneReportableSegmentRevenue01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentRevenue02D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsAxis">in-bse-fin:OneReportableSegmentRevenue02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentRevenue03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsAxis">in-bse-fin:OneReportableSegmentRevenue03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourReportableSegmentRevenue01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsAxis">in-bse-fin:FourReportableSegmentRevenue01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourReportableSegmentRevenue02D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsAxis">in-bse-fin:FourReportableSegmentRevenue02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourReportableSegmentRevenue03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsAxis">in-bse-fin:FourReportableSegmentRevenue03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentResults01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:OneReportableSegmentResults01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentResults02D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:OneReportableSegmentResults02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentResults03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:OneReportableSegmentResults03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourReportableSegmentResults01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:FourReportableSegmentResults01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourReportableSegmentResults02D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:FourReportableSegmentResults02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourReportableSegmentResults03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:FourReportableSegmentResults03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentAssets01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentAssetsAxis">in-bse-fin:OneReportableSegmentAssets01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentAssets02D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentAssetsAxis">in-bse-fin:OneReportableSegmentAssets02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentAssets03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentAssetsAxis">in-bse-fin:OneReportableSegmentAssets03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities01I"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2018-09-30</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities02D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities02I"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2018-09-30</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2018-07-01</xbrli:startDate><xbrli:endDate>2018-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities03I"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">PERSISTENT</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2018-09-30</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
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<in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">1. Note on Debt service and interest service coverage ratios:  nDebt service coverage ratio (DSCR) for QE Sep 18: 2,104.37  nDebt service coverage ratio for YTD Sep 18: 2,078.26  nInterest service coverage ratio (ISCR) for QE Sep 18: 415060  nInterest service coverage ratio for YTD Sep 18: 407486  nDSCR computed as = Annualised EBITDA / Debt Service of principal amount during a year  nISCR computed as = Annualised EBIT / Debt Service of interest amount during a year  nDue to validation checks, these amounts have been provided in the notes.  n  n2. Notes:  n1. The audited condensed consolidated financial statements for the quarter and half year ended September 30, 2018, have been taken on record by the Board of Directors at its meeting concluded on October 21, 2018 as recommended by the Audit Committee at its meeting held on October 20, 2018. The statutory auditors have expressed an unqualified audit opinion.   n  n2.Adoption of Ind AS 115 - Revenue from contracts with customers:  nEffective April 1, 2018, the Company adopted Ind AS 115 “Revenue from Contracts with Customers” using the cumulative catch-up transition method which is applied to contracts that were not completed as of April 1, 2018. Accordingly, the comparatives have not been retrospectively adjusted.  The effect on adoption of Ind AS 115 was insignificant on the financial statements.  n  n3. Persistent Systems Inc, the wholly owned subsidiary of Persistent Systems Limited, has completed the acquisition of Herald Technologies Inc, a USA based healthcare startup on August 24, 2018. Accordingly, above results include the financial performance of Herald Technologies Inc.   n  n4. As of September 30, 2018, Persistent Systems Limited (“the Parent Company”) had deposits of Rs. 430.00 million with the financial institutions (refer Schedule 37) viz. Infrastructure Leasing &amp; Financial Services Ltd. (IL&amp;FS) and IL&amp;FS Financial Services Ltd. (referred to as “IL&amp;FS Group”). These are due for maturity from January 2019 to June 2019. In August 2018, credit rating agency – ICRA, has significantly downgraded the IL&amp; FS Group’s rating and subsequently it is noted that the Government of India and various regulators have intervened in the matter. As of September 30, 2018, there have been no defaults in payment of interest on the aforesaid deposits. Accordingly, the management of the Parent Company believes that there is no immediate need to recognize any impairment on the above deposits as of September 30, 2018. The Parent Company will continue to monitor the developments in this matter for the purpose of determining the financial reporting impact, if any.  n  n5.  Figures for the previous periods / year have been regrouped wherever necessary to conform to current period's presentation for segment disclosure. </in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock>
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