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.