-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 EGG2Ay1CrXRYJ1lMqiSFDtv3BmzJuhV682QmOxvry8vNA1+hgxhV7U883NITkJbh
 gHrzhhmdB3TGohnUTyAeXQ==

<SEC-DOCUMENT>0001209191-08-036372.txt : 20080611
<SEC-HEADER>0001209191-08-036372.hdr.sgml : 20080611
<ACCEPTANCE-DATETIME>20080611115055
ACCESSION NUMBER:		0001209191-08-036372
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080611
FILED AS OF DATE:		20080611
DATE AS OF CHANGE:		20080611

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYNTEL INC
		CENTRAL INDEX KEY:			0001040426
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		IRS NUMBER:				382312018
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		525 EAST BIG BEAVER ROAD
		STREET 2:		SUITE 300
		CITY:			TROY
		STATE:			MI
		ZIP:			48083
		BUSINESS PHONE:		2486193524

	MAIL ADDRESS:	
		STREET 1:		525 EAST BIG BEAVER ROAD
		STREET 2:		SUITE 300
		CITY:			TROY
		STATE:			MI
		ZIP:			48083

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ranade Prashant
		CENTRAL INDEX KEY:			0001403531

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22903
		FILM NUMBER:		08892556

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		616-913-6101

	MAIL ADDRESS:	
		STREET 1:		507 PLYMOUTH AVENUE, NE
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49505
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-06-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001040426</issuerCik>
        <issuerName>SYNTEL INC</issuerName>
        <issuerTradingSymbol>SYNT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001403531</rptOwnerCik>
            <rptOwnerName>Ranade Prashant</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SYNTEL, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>525 E. BIG BEAVER RD., SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>TROY</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48083</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-06-11</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2169</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14535</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Granted pursuant to the Syntel, Inc. Amended and Restated Stock Option and Incentive Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Byron S. Collier on behalf of Prashant Ranade</signatureName>
        <signatureDate>2008-06-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----