Our Vision

Dirac draws its name from "Dirac Function" in classical Physics, signifying a small force acting on a small area, but with immense impact. Driven by this passion, our single minded goal is “to make a difference in whatever we do”

Leadership Team

Subho Samanta, Founder

Subho has close to 36 years of experience in the IT Industry. He was Group Senior Vice President and President of SI Global Delivery & SI Emerging Markets at Atos. Prior to Atos, Subho was the Head of Cognizant Kolkata

Rajarshi Chatterjee, Founder

Raj has more than 32 years of experience, during which he worked in many reputed organizations in India, US and UK, i.e. Atos, Cognizant Technology Solutions, UshaComm, L&T. Raj has also taken classes in IIMC and XLRI as guest faculty

Our Facility

We invite you to our Registered Office and exclusive training facility with IOT Lab, at
Module 529, 4th floor, SDF Building, Block EP&GP, Sector 5, Salt Lake, Kolkata 700091.


Our Four Principles for Delivery are: Discipline in Execution,
Zero Tolerance for errors, Transparency in Reporting
and Learning for Continous Improvement

Application Development

We undertake development of responsive web and mobile applications, integration and migration from legacy applications

Independent Testing

Whether it is for regulatory compliance, or to ensure that bugs dont go undetected, we can help you. We also work with clients to help them set up their captive testing centers, if need be.


Using "Skill Meter" our proprietary model, individuals and organisations can assess whether they possess the desired skills and proficiency, expected for different roles. Dirac Academy conducts short courses to address individual and institutional needs.

Consulting & Program Management

With decades of experience in outsourcing, we are well positioned to help clients in assessing vendor capability, readiness, security and compliance, and managing complex outsourcing programs


Our Academy recommends customised courses for every individual based on his or her role and prior exposure.
Participants are then grouped to enable all those at the same level, pursue a course in one batch, as much as possible

Please move the mouse over each of the images below, to know about the subject areas we cover

01: Technology Primer for Beginners

Programming Concepts, Data Storage and Retrieval, Introduction to Web Applications

02: Core Programming Languages and OOPs concepts

Java,Advanced Java C, C++, R, Python

03: Web Application Development for Beginners

HTML,CSS,Document Object Model,Javascript, Building blocks of a Web Application

04: Javascript libraries and frameworks


05: Use Case Modelling and Application Design

Documenting Functional Specifications, OOAD, Modelling using UML

06: Usage of IDE & Automation tools

Git,Eclipse, Visual Studio, DreamWeaver, QTP, Selenium; Agile, Continuous Integration, Automation and DevOps

07: Mobile Application Development

Key Considerations for Mobile and Responsive Applications, Native vs. Hybrid Apps, Testing of Mobile Applications

08: Advanced Concepts

Usability,Availability & Performance, Security, Data Masking and Encryption,


We will be delighted to hear from you, whether it is for a feedback, or query for a service. Please call us at +91 9830701656 write to [email protected] or submit your message below

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