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PCM streamEntrance: JEE MainComputing, data & AI

Data Scientist

Data scientists use maths, statistics and coding to find useful patterns in large amounts of data.

Class 11–12 subjectsPhysics, Chemistry, Maths
Entrance / admissionJEE Main / TNEA
DegreeB.Tech AI & Data Science, or B.Sc Statistics / Data Science
Duration3–4 years

Your route, step by step

  1. 1Class 11–12: take PCMMaths is the most important subject for this career.
  2. 2Choose your degree routeB.Tech (CSE / AI & Data Science) through JEE Main or TNEA, or B.Sc Statistics / Maths / Data Science.
  3. 3Learn tools and do projectsPython, SQL, statistics and real datasets. Internships help a lot.
  4. 4Start as an analystGrow into data scientist, ML engineer or analytics lead.

What a data scientist does

  • Turn business questions into data problems
  • Clean and explore data
  • Build statistical and machine-learning models
  • Explain results clearly to decision-makers

Entrance exams & admission

  • JEE MainB.Tech at NITs and other colleges
  • TNEATamil Nadu B.E. / B.Tech seats
  • CUET UGB.Sc programmes at central universities

Where you may work

Technology firms, banks, e-commerce, healthcare, sports analytics, research labs and government.

Well-known colleges in and near Tamil Nadu

  • IIT Madras (BS in Data Science)
  • NIT Tiruchirappalli
  • College of Engineering Guindy (Anna University)
  • Chennai Mathematical Institute

Official links

Links checked: Oct 2026. Always confirm dates and rules on the official site.

Outlook

Every organisation now collects data, so people who can make sense of it are in steady demand.

Specialise later

  • Machine learning
  • Business analytics
  • Natural language processing
  • Computer vision
  • Biostatistics