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Perpetually Adaptive Enterprise

At TCS, we don’t just help businesses transform. We help them become perpetually adaptive enterprises, built to evolve continuously and confidently in a world of constant change.

Adaptability starts here
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Perpetually Adaptive Enterprise
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    • ignio™
    • TCS iON™
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  • About Us

    We deliver excellence and create value for customers and communities - everyday. With the best talent and the latest technology we help customers turn complexity into opportunities and create meaningful change.

    Discover the difference
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    We are a digital transformation and technology partner of choice for industry-leading organizations worldwide.

    Read our customer success stories.
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    Upcoming events

    27 Dec 2025 TCS at Guidewire Connections 2025
    15 Dec 2025 TCS Analyst Day 2025: Forging a Truly Adaptive Enterprise
    01 Dec 2025 TCS at AWS re:Invent 2025
    View all

    Recent recognitions

    04 Nov 2025 TCS is a Leader in Financial Crime and Compliance Operations Services: Everest Group
    04 Nov 2025 TCS Named Leader in Avasant Blockchain Services 2025 RadarView™ Report
    28 Oct 2025 TCS Named a Leader in the IDC MarketScape for India IT/Digital Transformation Services for Public Sector
    View all
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    24 Oct 2025 TCS Collaborates with Google Cloud to Launch Google Cloud Gemini Experience Center in Riyadh, to Drive AI Innovation Across MEA
    16 Oct 2025 TCS and Infineon Partner to Redefine Digital Experience and Accelerate Sales Growth
    16 Oct 2025 NCVET Selected TCS to Develop a Portal Aimed at Democratizing the Vocational Skill Development Ecosystem in India
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    • Unclaimed Dividend Information
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    What we do

    Perpetually Adaptive Enterprise

    At TCS, we don’t just help businesses transform. We help them become perpetually adaptive enterprises, built to evolve continuously and confidently in a world of constant change.

    Adaptability starts here
    • Industries
    • Services
    • Products and Platforms
    • Research & Innovation
    • Alliances
    • Banking
    • Capital Markets
    • Consumer Packaged Goods and Distribution
    • Communications, Media, and Information Services
    • Education
    • Energy, Resources, and Utilities
    • Healthcare
    • High Tech
    • Insurance
    • Life Sciences
    • Manufacturing
    • Public Services
    • Retail
    • Travel and Logistics
    • Artificial Intelligence and Data & Analytics
    • Cloud
    • Cognitive Business Operations
    • Consulting
    • Cybersecurity
    • Enterprise Solutions
    • IoT and Digital Engineering
    • Network Solutions and Services
    • TCS Interactive
    • Sustainability Services
    • TCS ADD™
    • TCS BANCS™
    • TCS BFSI Platforms
    • TCS CHROMA™
    • TCS Customer Intelligence & Insights™
    • TCS ERP on Cloud
    • ignio™
    • TCS iON™
    • TCS HOBS™
    • TCS Intelligent Urban Exchange™
    • TCS OmniStore™
    • TCS Optumera™
    • TCS Tap™
    • Quartz™ – The Smart Ledgers™
    • TCS TwinX™
    • TCS MasterCraft™
    • Jile™
    • TCS DigiBOLT™
    • TCS AI WisdomNext™
    • TCS Research
    • TCS Pace™
    Perpetually Adaptive Enterprise
  • Industries expand here
    • Banking
    • Capital Markets
    • Consumer Packaged Goods and Distribution
    • Communications, Media, and Information Services
    • Education
    • Energy, Resources, and Utilities
    • Healthcare
    • High Tech
    • Insurance
    • Life Sciences
    • Manufacturing
    • Public Services
    • Retail
    • Travel and Logistics
  • Services expand here
    • Artificial Intelligence and Data & Analytics
    • Cloud
    • Cognitive Business Operations
    • Consulting
    • Cybersecurity
    • Enterprise Solutions
    • IoT and Digital Engineering
    • Network Solutions and Services
    • TCS Interactive
    • Sustainability Services
  • Products and Platforms expand here
    • TCS ADD™
    • TCS BANCS™
    • TCS BFSI Platforms
    • TCS CHROMA™
    • TCS Customer Intelligence & Insights™
    • TCS ERP on Cloud
    • ignio™
    • TCS iON™
    • TCS HOBS™
    • TCS Intelligent Urban Exchange™
    • TCS OmniStore™
    • TCS Optumera™
    • TCS Tap™
    • Quartz™ – The Smart Ledgers™
    • TCS TwinX™
    • TCS MasterCraft™
    • Jile™
    • TCS DigiBOLT™
    • TCS AI WisdomNext™
  • Research & Innovation expand here
    • TCS Research
    • TCS Pace™
  • Alliances
  • Who we are

    About Us

    We deliver excellence and create value for customers and communities - everyday. With the best talent and the latest technology we help customers turn complexity into opportunities and create meaningful change.

    Discover the difference
    • Brand
    • Leadership
    • Community
    • Sustainability
    • Inclusion
    • Values
    About Us
  • Brand
  • Leadership
  • Community
  • Sustainability
  • Inclusion
  • Values
  • Insights

    Discover why customers choose TCS

    We are a digital transformation and technology partner of choice for industry-leading organizations worldwide.

    Read our customer success stories.
    • Events
    • Analyst Recognition
    • Global Studies

    Upcoming events

    27 Dec 2025 TCS at Guidewire Connections 2025
    15 Dec 2025 TCS Analyst Day 2025: Forging a Truly Adaptive Enterprise
    01 Dec 2025 TCS at AWS re:Invent 2025
    View all

    Recent recognitions

    04 Nov 2025 TCS is a Leader in Financial Crime and Compliance Operations Services: Everest Group
    04 Nov 2025 TCS Named Leader in Avasant Blockchain Services 2025 RadarView™ Report
    28 Oct 2025 TCS Named a Leader in the IDC MarketScape for India IT/Digital Transformation Services for Public Sector
    View all
    Discover why customers choose TCS
  • Events
  • Analyst Recognition
  • Global Studies
  • Careers

    Want to be a global change-maker? Join our team.

    At TCS, we believe exceptional work begins with hiring, celebrating and nurturing the best people — from all walks of life.

    Join us
    • India
    • Americas
    • Asia Pacific
    • Europe and UK
    • Middle East and Africa
    • India
    • Argentina
    • Brazil
    • Canada
    • Chile
    • Colombia
    • Ecuador
    • Mexico
    • Peru
    • Uruguay
    • USA
    • Australia
    • Mainland China
    • Hong Kong SAR
    • Indonesia
    • Japan
    • Malaysia
    • New Zealand
    • Philippines
    • Republic of Korea
    • Singapore
    • Chinese Taipei
    • Thailand
    • Belgium
    • Denmark
    • Estonia
    • Finland
    • France
    • Germany
    • Hungary
    • Ireland
    • Italy
    • Luxembourg
    • Netherlands
    • Norway
    • Poland
    • Portugal
    • Spain
    • Sweden
    • Switzerland
    • United Kingdom
    • Bahrain
    • Israel
    • Kuwait
    • Qatar
    • Saudi Arabia
    • South Africa
    • United Arab Emirates
    Want to be a global change-maker? Join our team.
  • India expand here
    • India
  • Americas expand here
    • Argentina
    • Brazil
    • Canada
    • Chile
    • Colombia
    • Ecuador
    • Mexico
    • Peru
    • Uruguay
    • USA
  • Asia Pacific expand here
    • Australia
    • Mainland China
    • Hong Kong SAR
    • Indonesia
    • Japan
    • Malaysia
    • New Zealand
    • Philippines
    • Republic of Korea
    • Singapore
    • Chinese Taipei
    • Thailand
  • Europe and UK expand here
    • Belgium
    • Denmark
    • Estonia
    • Finland
    • France
    • Germany
    • Hungary
    • Ireland
    • Italy
    • Luxembourg
    • Netherlands
    • Norway
    • Poland
    • Portugal
    • Spain
    • Sweden
    • Switzerland
    • United Kingdom
  • Middle East and Africa expand here
    • Bahrain
    • Israel
    • Kuwait
    • Qatar
    • Saudi Arabia
    • South Africa
    • United Arab Emirates
  • Newsroom

    Find the latest news about TCS

    Stay up-to-date on all press announcements by TCS

    Discover more
    • News Alerts
    • Media Kit

    Recent News

    24 Oct 2025 TCS Collaborates with Google Cloud to Launch Google Cloud Gemini Experience Center in Riyadh, to Drive AI Innovation Across MEA
    16 Oct 2025 TCS and Infineon Partner to Redefine Digital Experience and Accelerate Sales Growth
    16 Oct 2025 NCVET Selected TCS to Develop a Portal Aimed at Democratizing the Vocational Skill Development Ecosystem in India
    View all
    Find the latest news about TCS
  • News Alerts
  • Media Kit
  • Investors

    Tata Consultancy Services Limited
    NSE:TCS
    INR
    Discover more
    • Management Commentary
    • Financials
    • News and Events
    • ESG
    • Resources
    • Latest Quarter Commentary
    • Annual Report Section
    • Quarterly Earnings Reports
    • Download TCS Data Sheet
    • Erstwhile CMC Financials
    • Press Releases
    • Corporate Actions
    • Events
    • Calendar
    • Environment
    • Social
    • Governance
    • Policies and Reports
    • Stakeholder Engagement and Enterprise Risk Management
    • Investor FAQs
    • eTDS Portal
    • Stock Information
    • Analyst Coverage
    • Subsidiaries
    • Subscribe to Investor Updates
    • Unclaimed Dividend Information
  • Management Commentary expand here
    • Latest Quarter Commentary
    • Annual Report Section
  • Financials expand here
    • Quarterly Earnings Reports
    • Download TCS Data Sheet
    • Erstwhile CMC Financials
  • News and Events expand here
    • Press Releases
    • Corporate Actions
    • Events
    • Calendar
  • ESG expand here
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    • Social
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    • Policies and Reports
    • Stakeholder Engagement and Enterprise Risk Management
  • Resources expand here
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    Top Results
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    • Public Services / case study

    Transforming tax filing in India

    TCS guides India’s Income Tax Department onto the digital highway, widens the taxpayer base

    Share e-Filing Tax Returns made safe & secure through PKI based Digital Signatures
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    CHALLENGE

    The department wanted to move away from siloed applications and manual processes.

     

    The Department of Income Tax under Ministry of Finance, Government of India, is responsible for enforcing taxation policies laid down by the government. A legacy setup marked by data silos, paper-based applications, and manual processes was making it rather difficult for the department to function effectively, with taxpayers and officials having to invest a disproportionate amount of time and effort in the tax filing process.

    The department was looking for a comprehensive digital platform to improve the filing process and widen the tax base. Such a platform would house all statutory and regulatory guidelines in one place to ensure full transparency and visibility to all stakeholders. The department sought a mechanism to digitally verify returns and drive all communication and interactions through a single window. Other key requirements were to streamline the process of applying for and issuing instant PAN cards – Permanent Account Number for tax identity, and ensure tight integration with various sub-systems and banks.

     

     

    SOLUTION

    With TCS as partner, the Income Tax Department executed landmark digital transformation.

     

    TCS embarked on this transformation program in 2012, and by 2020, the IT department’s portal had over 100 features. While a 15% tax payer base used to file their returns electronically, that figure had zoomed to 85% by the end of FY21. All IT forms (basic and statutory) were digitized and available online.

    This was one of the largest legacy modernization and system integration projects implemented by TCS and called for data migration of 25 million registered users and 52 million IT returns. TCS implemented a series of solutions to completely revamp the tax filing process from multiple perspectives. On a high-level, the following activities were carried out:

    • Procuring, deploying, and maintaining all IT hardware and software infrastructure at primary and BCP data centers.
    • Setting up an e-filing facility to run a call center and regular operations.
    • Setting up and enabling the technological infrastructure for an electronic filing facility in 100 days.
    • Deploying and managing e-filing operations.
    • Migrating historical records to the new system.
    • Securing ISO and GIGW standard adherence and certification for the e-filing portal.
    • Putting in place a 24/7 security operations center.

     

    BENEFITS

    The single window system accelerated tax filing and processing significantly.

     

    The feature-rich e-filing portal, integrated with the systems of various government departments and banks, has made report filing and assessment a lot more convenient and transparent for all the stakeholders. Be it the single-window, online grievance management system called e-Nivaran, or the electronic verification system for IT returns, this new way of filing taxes has been received very well by the Indian public. The integration of PAN with Aadhar has been instrumental in keeping identity fraud at bay and enhancing the transparency of the overall process.

    TCS successfully completed this large-scale digital transformation program in about 15 months and handed over the operations and support to another vendor of the Income Tax Department in October 2020.

    What Made it happen

    Click Here

    sustainable-operations

    TCS Intelligent Urban Exchange solution provides connected and intelligent environments and promotes safe and sustainable living. Learn more.

    Click Here

    paid-family-and-medical-leave-solution-card

    The cloud-based solution helps states meet US PFML legislation demands and enables effective decision-making and fraud prevention for better worker support.

    Click Here

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