Free IITM BS lectures by subject

Pick your subject below and watch it right here. Every lecture is free on the Unknown IITians YouTube channel. Further down: each subject's page here, with free notes, previous year papers and grade calculators.

Mathematics for Data Science I (Maths 1)

Complete course, a Qualifier preparation series and an English-medium series.

• Mathematics 1: complete course series
• Mathematics 1: Qualifier preparation series
• Mathematics 1: English medium
• Maths 1: notes, PYQs and tools

Mathematics for Data Science II (Maths 2)

Complete course series with previous year questions.

• Mathematics 2: complete course series
• Maths 2: notes, PYQs and tools

Statistics for Data Science I (Stats 1)

Complete course, a Qualifier preparation series and an English-medium series.

• Statistics 1: complete course series
• Statistics 1: Qualifier preparation series
• Statistics 1: English medium
• Stats 1: notes, PYQs and tools

Statistics for Data Science II (Stats 2)

Complete course series.

• Statistics 2: complete course series
• Stats 2: notes, PYQs and tools

Computational Thinking (CT)

Complete series, a Qualifier preparation series and an English-medium series.

• Computational Thinking: complete detailed series
• Computational Thinking: Qualifier preparation series
• Computational Thinking: English medium
• Computational Thinking: notes, PYQs and tools

Programming in Python

Complete series, and a series focused on the OPPE.

• Programming in Python: complete detailed series
• Programming in Python: OPPE-focused series
• Python: notes, PYQs and tools

Database Management Systems (DBMS)

A Diploma subject: complete course series.

• Database Management Systems: complete course series
• DBMS: notes, PYQs and tools

Programming, Data Structures and Algorithms using Python (PDSA)

A Diploma subject: complete course series.

• Programming, Data Structures and Algorithms using Python: complete course series
• PDSA: notes, PYQs and tools

Revision series

Fastrack series for the week before an exam.

• Fastrack revision series: Foundation Quiz 1
• Fastrack revision series: Foundation Quiz 2
• Fastrack revision series: Foundation End Semester
• Fastrack one-shot revision series: Qualifier
• Programming in Python: OPPE-focused series

Where to go

• Unknown IITians on YouTube
• Free IITM BS lectures by subject
• Revision for Quiz 1, Quiz 2, End Term and the Qualifier
• IITM BS notes: free subject-wise PDFs
• IITM BS PYQs: previous year question papers
• Practise IITM BS PYQs online on Quiz Space
• IITM BS live courses and batches

Frequently asked questions

Where can I watch free IITM BS lectures?

On the Unknown IITians YouTube channel. This page links to the playlist for each subject.

Which Foundation subjects have free lectures?

Mathematics 1 and 2, Statistics 1 and 2, Computational Thinking and Programming in Python.

Do the lectures come with notes and previous year papers?

Each subject has a page on this site with free week-wise notes and previous year papers, and Quiz Space lets you practise the papers online.

Unknown IITians is an independent study-resources site and is not affiliated with or endorsed by IIT Madras. Please check official sources for admissions, fees, dates and grading rules, and check any calculator's result against your course's official grading document.

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