DEV SIR (MGD ) (@devsir2240) on YouTube
DEV SIR (MGD ) is a creator on YouTube in the 500K–600K follower range, publishing for IIT-JEE and Olympiad aspirants, mainly Indian high-school students (classes 9-12) preparing for competitive math exams, based in India. Profile last checked 2026-08-22.
| Field | Value |
|---|---|
| Platform | YouTube |
| Handle | @devsir2240 |
| Followers | 500K–600K |
| Indexed under | Entertainment · Education & science |
| Market | India |
Profile bio
Welcome to my channel! I'm Dev Sir, a Mathematics tutor for IIT-JEE aspirants with 15+ years of teaching experience.
What this creator posts about, and who reads it
Recurring topics: JEE integration techniques and tricks, Graphical transformations and functions, Common maths mistakes and corrections, Trigonometry identities and advanced problems, Olympiad puzzles and brain boosters, Math fundamentals for competitive exams
Audience: IIT-JEE and Olympiad aspirants, mainly Indian high-school students (classes 9-12) preparing for competitive math exams
Audience read from this creator’s own recent posts, not from platform-declared categories. It is our reading, and it can be wrong.
Recent content samples
Mistakes in maths video-5 #maths #mistakes #knowledge #jee #olympiad #devsir #study #students
Graphical transformation ❤️ #maths #olympiad #mathematics #jee #iitjee #neet #10th #11th #12th
Matrices and determinants (PYQ)#devsir #maths #jee #olympiad #knowledge #mathematics
Graphical Transformation ❤️ #maths ##knowledge #devsir #jee #iit #olympiad #graphs #11th #12th
Where this creator sits in the wider pool
Koinon Link indexes YouTube creators in Entertainment with grade, authenticity and contactability broken down — see the YouTube × Entertainment breakdown, or the Creator Index Report for the whole index.
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| Kind | Requests | What it means |
|---|---|---|
| Indexing crawlers | 0 | Bulk indexing · none yet |
| User-triggered retrievals | 0 | none recorded yet |
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