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    Where adaptability meets advantage

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    • Perpetually Adaptive Enterprise Press tab for submenu items

      Where adaptability meets advantage

      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
      • Banking
      • Capital Markets
      • Consumer Packaged Goods and Distribution
      • Communications, Media, and Information Services
      • Education
      • Energy, Resources, and Utilities
      • Healthcare
      • High Tech
      • Insurance
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      • Retail
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      • 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
      • 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
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      • TCS Pace™
    • Alliances
    Perpetually Adaptive Enterprise
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  • 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 Press tab for submenu items

      We deliver excellence and create value for customers and communities.

      Our expert, committed team put our shared values into action – every day. 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
    • Customer Stories Press tab for submenu items

      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

      Upcoming events

      29 Sep 2025 TCS BaNCS and Quartz at SIBOS 2025, Frankfurt
      22 Sep 2025 TCS Life Sciences Forum 2025 London
      03 Sep 2025 TCS at PostTrade 360°, Stockholm
      View all
    • Analyst Recognition

      Recent recognitions

      01 Aug 2025 TCS a Leader in Experience-Led HR Transformation Services: NelsonHall
      17 Jul 2025 TCS a Leader in Life and Annuities Insurance BPS and Third-Party Administrator Services: Everest Group
      15 Jul 2025 TCS Recognized as a Leader in Healthcare Provider Digital Services by Everest Group
      View all
    • Global Studies
    Customer Stories
  • Events
  • Analyst Recognition
  • Global Studies
    • Careers
    • Build a future with us Press tab for submenu items

      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
      • India
    • Americas
      • Argentina
      • Brazil
      • Canada
      • Chile
      • Colombia
      • Ecuador
      • Mexico
      • Peru
      • Uruguay
      • USA
    • Asia Pacific
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      • Mainland China
      • Hong Kong SAR
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      • Bahrain
      • Israel
      • Kuwait
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    Build a future with us
  • India expand here
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    • Argentina
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    • Canada
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    • Colombia
    • Ecuador
    • Mexico
    • Peru
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      12 Aug 2025 International Youth Day: TCS Youth Employment Program upskills 185,000 youth over 15 years
      16 Jul 2025 TCS Launches AI-Powered Research & Innovation Centre in Singapore to Accelerate Enterprise Innovation at Scale
      09 Jul 2025 TCS Launches ‘Gen AI Tech Pathway’ in its STEM Education Program goIT
      View all
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      Tata Consultancy Services Limited
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      INR
      Discover more Q1FY26 Debrief
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      • Download TCS Data Sheet
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      Global knowledge. Local support

      At TCS, we help enterprises grow through innovative solutions globally. Adapt and thrive with us.

      Discover more
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      • Mainland China
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    Sourav Chatterjee

    Research Engineer

    Sourav Chatterjee is a research engineer at TCS Corporate Incubation. He is responsible for researching semi-classical and quantum-enhanced optimization protocols for various business use-cases. In his career spanning over 10 years, as a researcher in quantum information, he has been a part of theoretical and experimental investigation of novel quantum communication protocols.

    Sourav Chatterjee's article

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