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About Us

Best Income Tax Software & HR Management Solutions


Sinewave Computer Services Pvt. Ltd.(ISO 9001:2008) is a 30 years Income Tax & HR Solutions Software development company situated at Pune, Maharashtra, India. Catering to 15,000+ customer base across India. Sinewave is a well known in providing high quality and reliable TDS, VAT, Income Tax calculation and efiling software solutions for Taxation and HR Management in India. Presently Sinewave has a compressive customer coverage right from an Individuals to SMEs. Our clientele sector includes Chartered Accountants (CA's), Cost Accountants (CWA's), Tax Consultants, Education Institutions, Co-operative Societies, Banks, Service Industry, Small and Medium Scale (SME) industrial sector and many more. Our Taxation software offers various facilities like computation & calculation of Income Tax, TDS, Wealth Tax, Advance Tax Register, Billing Management, AIR modules, Office Management & Post filing management at no extra cost.

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Latest News


  • TaxbaseLAN Version 1.39.7.5
    Released on : 25/01/2016
    Covers :-

    - Provision to upload quarterly TDS return on www.incometaxindiaefiling.gov.in through our software is incorporated.

    TaxbaseLANPro Version 1.39.7.9
    Released on : 02/02/2017
    Covers:-

    -Provision to upload quarterly TDS return through software is incorporated.

    "The new rate of 14% for Service Tax  will be applicable with effect from 01/06/2015 subject to Point Of Taxation Rules & other provisions of law.”

    Services of TIN call center are now available 24 x 7.You may call on 020-27218080 anytime.

    TaxbaseMini Version 10.5
    Released on 18/02/2017
    Covers:

    -Acts, Laws and Rules are incorporated in TaxbaseMini.

    1.     -Anyone Access without Registration (For some specific features).

    1.       -Free Features of App:

    a)       a)Know Your ITR-V Status - By PAN &Assessment Year, By e-Filing Acknowledgement Number.

    a)       b)Tax Calculators, Tax Calendar and Laws.



    ServiceTax Pro Version 1.03.7
    Released on 22/11/2016
    Covers:

    ST3 Return for Half Year Apr-Sept 2016-2017 with V1.8 is incorporated.

    Interest Code for Swatch Bharat Cess and Krishi Kalyan Cess in Challan is incorporated.

    New provision of Krishi Kalyan Cess in Quick Challan is incorporated.

    Interest Rate updated as per department.

    PaywhizProfessional Version 1.39.7.0
    Released on : 20/10/2016
    Covers:

    ESIC has raised the monthly ceiling to Rs. 21000 per month from Rs. 15000 per month forthe coverage of the employees under ESI which is applicable from 01/10/2016


    VATXpress Version 1.30.5.2
    Released on 21/01/2017
    Covers:


    Form 704 (Audit Report) Annexure A and B -->Interest calculation with option as per return or as per audit.

    Improved the speed of CSV import / Export.

    Updated FAQs with New Query Option (Frequentlyasked questions).

    Generate Customize report for Transaction WiseSale / Purchase Details.