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Data Sci

Data Science

Turning messy data into decisions and products.

Field of study

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Core subjects

Subjects you actually study in Data Sci — with notes, PDFs and video links.

Browse all subject notes & PDFs →

Learning roadmap

Phase by phase, with a resource link on every step.

1
Phase 1 — Foundations
2
Phase 2 — Core subjects
3
Phase 3 — Specialise
4
Phase 4 — Job ready

Technical skills

SQL querying
EDA
Statistical inference
Dashboard design
A/B testing
ETL

Programming skills

SQLPythonR (optional)DAX (Power BI)Bash

Tools & technologies

PostgreSQLPandasPower BI / TableaudbtAirflowJupyter

Mini projects

Short, buildable projects to start with.

  • Cleaning and profiling a messy public dataset
  • Cohort retention analysis
  • Sales dashboard with drilldowns
  • A/B test result write-up

Major projects

Final-year scale projects that stand out in interviews.

  • Warehouse + dbt models + BI dashboard
  • Churn prediction with business recommendations
  • Forecasting model for demand planning
  • Automated reporting pipeline

Career paths

  • • Business analytics
  • • Data science
  • • Data engineering
  • • Product analytics
  • • Consulting

Job roles

  • • Data Analyst
  • • Data Scientist
  • • BI Developer
  • • Product Analyst
  • • Data Engineer

Government & PSU opportunities

Exams and organisations that recruit from this branch.

  • NITI Aayog / ministry data cells
  • RBI and SEBI research roles
  • NSSO / MoSPI statistical posts
  • UGC NET for academia
  • IndiaAI mission projects

Higher studies

  • • MSc Data Science
  • • MS abroad in analytics
  • • PG diploma in business analytics
  • • PhD in statistics

Certifications

  • • Google Data Analytics Certificate
  • • Microsoft Power BI Data Analyst
  • • Databricks Data Engineer Associate
  • • SQL certifications

Industry-relevant technologies

What companies in this field are actively working on.

Modern data stackReal-time analyticsAI-assisted analysisData contracts and governanceSelf-serve BI

Data Sci career updates

Domains hiring from this branch and the skills each one expects.

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