<?xml version="1.0"?><?xml-stylesheet type="text/xsl" href="../4_X02.xsl"?><ownershipDocument>    <schemaVersion>X0303</schemaVersion>    <documentType>4</documentType>    <periodOfReport>2010-03-04</periodOfReport>    <notSubjectToSection16>0</notSubjectToSection16>    <issuer>        <issuerCik>0001398659</issuerCik>        <issuerName>Genpact LTD</issuerName>        <issuerTradingSymbol>G</issuerTradingSymbol>    </issuer>    <reportingOwner>        <reportingOwnerId>            <rptOwnerCik>0001408231</rptOwnerCik>            <rptOwnerName>Gour Vivek N.</rptOwnerName>        </reportingOwnerId>        <reportingOwnerAddress>            <rptOwnerStreet1>C/O GENPACT PROCESS SOLUTIONS LLC</rptOwnerStreet1>            <rptOwnerStreet2>105 MADISON AVENUE, 2ND FLOOR</rptOwnerStreet2>            <rptOwnerCity>NEW YORK</rptOwnerCity>            <rptOwnerState>NY</rptOwnerState>            <rptOwnerZipCode>10016</rptOwnerZipCode>            <rptOwnerStateDescription></rptOwnerStateDescription>        </reportingOwnerAddress>        <reportingOwnerRelationship>            <isDirector>0</isDirector>            <isOfficer>1</isOfficer>            <isTenPercentOwner>0</isTenPercentOwner>            <isOther>0</isOther>            <officerTitle>Senior Vice President</officerTitle>            <otherText></otherText>        </reportingOwnerRelationship>    </reportingOwner>    <nonDerivativeTable>        <nonDerivativeTransaction>            <securityTitle>                <value>Common Shares</value>            </securityTitle>            <transactionDate>                <value>2010-03-04</value>            </transactionDate>            <deemedExecutionDate></deemedExecutionDate>            <transactionCoding>                <transactionFormType>4</transactionFormType>                <transactionCode>M</transactionCode>                <equitySwapInvolved>0</equitySwapInvolved>            </transactionCoding>            <transactionAmounts>                <transactionShares>                    <value>21900</value>                </transactionShares>                <transactionPricePerShare>                    <value>3.4439</value>                </transactionPricePerShare>                <transactionAcquiredDisposedCode>                    <value>A</value>                </transactionAcquiredDisposedCode>            </transactionAmounts>            <postTransactionAmounts>                <sharesOwnedFollowingTransaction>                    <value>24529</value>                    <footnoteId id="F1"/>                </sharesOwnedFollowingTransaction>            </postTransactionAmounts>            <ownershipNature>                <directOrIndirectOwnership>                    <value>D</value>                </directOrIndirectOwnership>            </ownershipNature>        </nonDerivativeTransaction>        <nonDerivativeTransaction>            <securityTitle>                <value>Common Shares</value>            </securityTitle>            <transactionDate>                <value>2010-03-04</value>            </transactionDate>            <deemedExecutionDate></deemedExecutionDate>            <transactionCoding>                <transactionFormType>4</transactionFormType>                <transactionCode>S</transactionCode>                <equitySwapInvolved>0</equitySwapInvolved>            </transactionCoding>            <transactionAmounts>                <transactionShares>                    <value>21900</value>                </transactionShares>                <transactionPricePerShare>                    <value>15.0381</value>                    <footnoteId id="F2"/>                </transactionPricePerShare>                <transactionAcquiredDisposedCode>                    <value>D</value>                </transactionAcquiredDisposedCode>            </transactionAmounts>            <postTransactionAmounts>                <sharesOwnedFollowingTransaction>                    <value>2629</value>                </sharesOwnedFollowingTransaction>            </postTransactionAmounts>            <ownershipNature>                <directOrIndirectOwnership>                    <value>D</value>                </directOrIndirectOwnership>            </ownershipNature>        </nonDerivativeTransaction>        <nonDerivativeTransaction>            <securityTitle>                <value>Common Shares</value>            </securityTitle>            <transactionDate>                <value>2010-03-04</value>            </transactionDate>            <deemedExecutionDate></deemedExecutionDate>            <transactionCoding>                <transactionFormType>4</transactionFormType>                <transactionCode>M</transactionCode>                <equitySwapInvolved>0</equitySwapInvolved>            </transactionCoding>            <transactionAmounts>                <transactionShares>                    <value>6000</value>                </transactionShares>                <transactionPricePerShare>                    <value>7.1800</value>                </transactionPricePerShare>                <transactionAcquiredDisposedCode>                    <value>A</value>                </transactionAcquiredDisposedCode>            </transactionAmounts>            <postTransactionAmounts>                <sharesOwnedFollowingTransaction>                    <value>8629</value>                    <footnoteId id="F1"/>                </sharesOwnedFollowingTransaction>            </postTransactionAmounts>            <ownershipNature>                <directOrIndirectOwnership>                    <value>D</value>                </directOrIndirectOwnership>            </ownershipNature>        </nonDerivativeTransaction>        <nonDerivativeTransaction>            <securityTitle>                <value>Common Shares</value>            </securityTitle>            <transactionDate>                <value>2010-03-04</value>            </transactionDate>            <deemedExecutionDate></deemedExecutionDate>            <transactionCoding>                <transactionFormType>4</transactionFormType>                <transactionCode>S</transactionCode>                <equitySwapInvolved>0</equitySwapInvolved>            </transactionCoding>            <transactionAmounts>                <transactionShares>                    <value>6000</value>                </transactionShares>                <transactionPricePerShare>                    <value>15.0381</value>                    <footnoteId id="F2"/>                </transactionPricePerShare>                <transactionAcquiredDisposedCode>                    <value>D</value>                </transactionAcquiredDisposedCode>            </transactionAmounts>            <postTransactionAmounts>                <sharesOwnedFollowingTransaction>                    <value>2629</value>                </sharesOwnedFollowingTransaction>            </postTransactionAmounts>            <ownershipNature>                <directOrIndirectOwnership>                    <value>D</value>                </directOrIndirectOwnership>            </ownershipNature>        </nonDerivativeTransaction>    </nonDerivativeTable>    <derivativeTable>        <derivativeTransaction>            <securityTitle>                <value>Employee Stock Option (Right to Buy)</value>            </securityTitle>            <conversionOrExercisePrice>                <value>3.4439</value>            </conversionOrExercisePrice>            <transactionDate>                <value>2010-03-04</value>            </transactionDate>            <deemedExecutionDate></deemedExecutionDate>            <transactionCoding>                <transactionFormType>4</transactionFormType>                <transactionCode>M</transactionCode>                <equitySwapInvolved>0</equitySwapInvolved>            </transactionCoding>            <transactionAmounts>                <transactionShares>                    <value>21900</value>                </transactionShares>                <transactionPricePerShare>                    <value>0</value>                </transactionPricePerShare>                <transactionAcquiredDisposedCode>                    <value>D</value>                </transactionAcquiredDisposedCode>            </transactionAmounts>            <exerciseDate>                <footnoteId id="F3"/>            </exerciseDate>            <expirationDate>                <value>2015-07-26</value>            </expirationDate>            <underlyingSecurity>                <underlyingSecurityTitle>                    <value>Common Shares</value>                </underlyingSecurityTitle>                <underlyingSecurityShares>                    <value>21900</value>                </underlyingSecurityShares>            </underlyingSecurity>            <postTransactionAmounts>                <sharesOwnedFollowingTransaction>                    <value>0</value>                </sharesOwnedFollowingTransaction>            </postTransactionAmounts>            <ownershipNature>                <directOrIndirectOwnership>                    <value>D</value>                </directOrIndirectOwnership>            </ownershipNature>        </derivativeTransaction>        <derivativeTransaction>            <securityTitle>                <value>Employee Stock Option (Right to Buy)</value>            </securityTitle>            <conversionOrExercisePrice>                <value>7.1800</value>            </conversionOrExercisePrice>            <transactionDate>                <value>2010-03-04</value>            </transactionDate>            <deemedExecutionDate></deemedExecutionDate>            <transactionCoding>                <transactionFormType>4</transactionFormType>                <transactionCode>M</transactionCode>                <equitySwapInvolved>0</equitySwapInvolved>            </transactionCoding>            <transactionAmounts>                <transactionShares>                    <value>6000</value>                </transactionShares>                <transactionPricePerShare>                    <value>0</value>                </transactionPricePerShare>                <transactionAcquiredDisposedCode>                    <value>D</value>                </transactionAcquiredDisposedCode>            </transactionAmounts>            <exerciseDate>                <footnoteId id="F4"/>            </exerciseDate>            <expirationDate>                <value>2018-12-15</value>            </expirationDate>            <underlyingSecurity>                <underlyingSecurityTitle>                    <value>Common Shares</value>                </underlyingSecurityTitle>                <underlyingSecurityShares>                    <value>6000</value>                </underlyingSecurityShares>            </underlyingSecurity>            <postTransactionAmounts>                <sharesOwnedFollowingTransaction>                    <value>24000</value>                </sharesOwnedFollowingTransaction>            </postTransactionAmounts>            <ownershipNature>                <directOrIndirectOwnership>                    <value>D</value>                </directOrIndirectOwnership>            </ownershipNature>        </derivativeTransaction>    </derivativeTable>    <footnotes>        <footnote id="F1">Includes 2,629 shares acquired under the Genpact Limited Employee Stock Purchase Plan between February 28, 2009 and February 26, 2010.</footnote>        <footnote id="F2">The price in Column 4 is a weighted average price. The actual sale prices for these transactions ranged from $14.9600 to $15.0800. The Reporting Person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.</footnote>        <footnote id="F3">The option vested 20% on January 1, 2006 and 5% quarterly thereafter.</footnote>        <footnote id="F4">The option vested 20% on December 1, 2009 and vests 20% annually thereafter.</footnote>    </footnotes>    <remarks></remarks>    <ownerSignature>        <signatureName>/s/ Heather White, as Attorney-in-fact for Vivek N. Gour</signatureName>        <signatureDate>2010-03-08</signatureDate>    </ownerSignature></ownershipDocument>