DEV SIR (MGD )

@UCC1o89wQDaJ6fd8v-8YFOvA - 322K subscribers

Welcome to my channel! I’m Dev Sir, a Mathematics tutor for IIT-JEE aspirants with 15+ years of teaching experience. This channel is dedicated to building strong mathematical understanding—from basic concepts to advanced IIT-JEE level problem-solving. Along with academics, my focus is to guide students and make them aware of values, responsibility, and the qualities that help build a good society. Join me on this exciting journey of learning, thinking, and growth—both academically and personally. Contact : 9109904101

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Master Ionisation Energy 🔥| Periodic Table | GuruCool Puneet Sir

Master Ionisation Energy 🔥| Periodic Table | GuruCool Puneet Sir DEV SIR (MGD )

478 views - 9 hours ago

Trigonometry ◇ Circular system ◇Fundamentals ◇11th ◇Dev sir

Trigonometry ◇ Circular system ◇Fundamentals ◇11th ◇Dev sir DEV SIR (MGD )

3.4K views - 10 hours ago

Thales Theorem ◇ 10th ◇ IIT-JEE ◇ olympiad ◇Dev sir

Thales Theorem ◇ 10th ◇ IIT-JEE ◇ olympiad ◇Dev sir DEV SIR (MGD )

8.1K views - 1 day ago

SPECIAL SERIES | Important Concepts and PYQs | Satyansh Sir

SPECIAL SERIES | Important Concepts and PYQs | Satyansh Sir DEV SIR (MGD )

2 days ago

Matrices ◇ Product of matrices ◇ IIT-JEE ◇ 12th

Matrices ◇ Product of matrices ◇ IIT-JEE ◇ 12th DEV SIR (MGD )

3 days ago

Trigonometry ◇ IIT-JEE ◇ 11th ◇ Fundamentals

Trigonometry ◇ IIT-JEE ◇ 11th ◇ Fundamentals DEV SIR (MGD )

11.8K views - 3 days ago

Method Of Difference | AGP | Complete in One Video | Short Trick Included | Satyansh Sir

Method Of Difference | AGP | Complete in One Video | Short Trick Included | Satyansh Sir DEV SIR (MGD )

3 days ago

GRAPH D2 ◇ Fundamentals ◇ JEE ◇ 11th ◇Dev sir

GRAPH D2 ◇ Fundamentals ◇ JEE ◇ 11th ◇Dev sir DEV SIR (MGD )

3 days ago

Ionic Radius Full Clarity 💯| | Periodic Table | Inorganic Chemistry | GuruCool Puneet Sir

Ionic Radius Full Clarity 💯| | Periodic Table | Inorganic Chemistry | GuruCool Puneet Sir DEV SIR (MGD )

1.5K views - 4 days ago

Graphical Transformation

Graphical Transformation DEV SIR (MGD )

4.1K views - 4 days ago

Trigonometry ◇ IIT-JEE ADVANCED ◇ DEVSIR

Trigonometry ◇ IIT-JEE ADVANCED ◇ DEVSIR DEV SIR (MGD )

6.6K views - 5 days ago

Limits |Lecture 3| FULL CHAPTER | CLASS 11th | (JEE MAIN AND ADVANCED)|Dev Sir

Limits |Lecture 3| FULL CHAPTER | CLASS 11th | (JEE MAIN AND ADVANCED)|Dev Sir DEV SIR (MGD )

5 days ago

Trigonometry ◇ 11th ◇ IIT- JEE ◇ DEV SIR

Trigonometry ◇ 11th ◇ IIT- JEE ◇ DEV SIR DEV SIR (MGD )

27.4K views - 6 days ago

SURDS ◇ Basic To JEE ◇ IIT-JEE ◇ olympiad ◇ 9th

SURDS ◇ Basic To JEE ◇ IIT-JEE ◇ olympiad ◇ 9th DEV SIR (MGD )

16.6K views - 6 days ago

Remainder Theorem From Basics | Binomial Theorem | JEE Main 2026 | Satyansh Sir

Remainder Theorem From Basics | Binomial Theorem | JEE Main 2026 | Satyansh Sir DEV SIR (MGD )

6 days ago

Introduction to Limits ◇ Fundamentals ◇11th ◇IIT-JEE ◇Dev sir

Introduction to Limits ◇ Fundamentals ◇11th ◇IIT-JEE ◇Dev sir DEV SIR (MGD )

34.6K views - 1 week ago

Limits Day -2◇ IIT-JEE ◇Dev sir

Limits Day -2◇ IIT-JEE ◇Dev sir DEV SIR (MGD )

1 week ago

IIT-JEE ADVANCED ◇ Tricks ◇ Graphs

IIT-JEE ADVANCED ◇ Tricks ◇ Graphs DEV SIR (MGD )

1 week ago

How to think ◇ IIT-JEE ◇ Fundamentals ◇ Tricks with Dev sir

How to think ◇ IIT-JEE ◇ Fundamentals ◇ Tricks with Dev sir DEV SIR (MGD )

5.7K views - 1 week ago

Important trick ◇Trigonometry pyq ◇IIT-JEE ◇Devsir

Important trick ◇Trigonometry pyq ◇IIT-JEE ◇Devsir DEV SIR (MGD )

4.5K views - 1 week ago

Limits |Lecture 1| FULL CHAPTER | CLASS 11th | (JEE MAIN AND ADVANCED)|Dev Sir

Limits |Lecture 1| FULL CHAPTER | CLASS 11th | (JEE MAIN AND ADVANCED)|Dev Sir DEV SIR (MGD )

1 week ago

Sequence and Series Lecture 3| FULL CHAPTER | CLASS 11th | (JEE MAIN AND ADVANCED)|Satyansh Sir

Sequence and Series Lecture 3| FULL CHAPTER | CLASS 11th | (JEE MAIN AND ADVANCED)|Satyansh Sir DEV SIR (MGD )

1 week ago

Graphical Transformation ◇ Full video ◇ Dev sir ◇ IIT-JEE

Graphical Transformation ◇ Full video ◇ Dev sir ◇ IIT-JEE DEV SIR (MGD )

1 week ago

Part -1 ◇ Graphs ◇Transformation ◇ IIT-JEE ◇ Dev Sir

Part -1 ◇ Graphs ◇Transformation ◇ IIT-JEE ◇ Dev Sir DEV SIR (MGD )

6.3K views - 1 week ago

Functions ◇ Fundamentals ◇ IIT-JEE ◇11th

Functions ◇ Fundamentals ◇ IIT-JEE ◇11th DEV SIR (MGD )

19.9K views - 1 week ago

Fractional part (Full video) ◇ Graphs ◇IIT-JEE ◇11th

Fractional part (Full video) ◇ Graphs ◇IIT-JEE ◇11th DEV SIR (MGD )

1 week ago

Fractional part ◇ IIT-JEE ◇Dev sir

Fractional part ◇ IIT-JEE ◇Dev sir DEV SIR (MGD )

2.8K views - 1 week ago

Sequence and Series Lecture 2 | FULL CHAPTER | CLASS 11th | (JEE MAIN AND ADVANCED)|Satyansh Sir

Sequence and Series Lecture 2 | FULL CHAPTER | CLASS 11th | (JEE MAIN AND ADVANCED)|Satyansh Sir DEV SIR (MGD )

2 weeks ago

Sequence and Series Lecture 1 | FULL CHAPTER | CLASS 11th | (JEE MAIN AND ADVANCED)|Satyansh Sir

Sequence and Series Lecture 1 | FULL CHAPTER | CLASS 11th | (JEE MAIN AND ADVANCED)|Satyansh Sir DEV SIR (MGD )

2 weeks ago

Graphical transformation ◇ IIT-JEE ◇12th ◇ Dev sir

Graphical transformation ◇ IIT-JEE ◇12th ◇ Dev sir DEV SIR (MGD )

7.5K views - 2 weeks ago

Graphs ◇GIF ◇ IIT-JEE ◇ Dev sir ◇11th ◇12th

Graphs ◇GIF ◇ IIT-JEE ◇ Dev sir ◇11th ◇12th DEV SIR (MGD )

2 weeks ago

Greatest integer function ◇ IIT-JEE ◇devsir ◇11th ◇12th

Greatest integer function ◇ IIT-JEE ◇devsir ◇11th ◇12th DEV SIR (MGD )

2 weeks ago

Big Maths mistakes till 10th ◇ Dev Sir ◇ IIT-JEE ◇11th

Big Maths mistakes till 10th ◇ Dev Sir ◇ IIT-JEE ◇11th DEV SIR (MGD )

107.9K views - 2 weeks ago

11th ◇ Maths after 10th Day-2 ◇ IIT-JEE

11th ◇ Maths after 10th Day-2 ◇ IIT-JEE DEV SIR (MGD )

29.3K views - 2 weeks ago

11th ◇ IIT-JEE ◇ Fundamentals ◇ Dev sir

11th ◇ IIT-JEE ◇ Fundamentals ◇ Dev sir DEV SIR (MGD )

112.4K views - 3 weeks ago

Fundamentals of graphs ◇ IIT-JEE ◇ Trigonometry ◇ 11th

Fundamentals of graphs ◇ IIT-JEE ◇ Trigonometry ◇ 11th DEV SIR (MGD )

11.1K views - 3 weeks ago

TRIGONOMETRY ◇ IIT-JEE ◇ FUNDAMENTALS

TRIGONOMETRY ◇ IIT-JEE ◇ FUNDAMENTALS DEV SIR (MGD )

48.5K views - 3 weeks ago

Trigonometry Fundamentals ◇11th ◇IIT-JEE ◇DevSir

Trigonometry Fundamentals ◇11th ◇IIT-JEE ◇DevSir DEV SIR (MGD )

29K views - 3 weeks ago

Trigonometry ◇ 11th ◇IIT-JEE ◇Fundamentals

Trigonometry ◇ 11th ◇IIT-JEE ◇Fundamentals DEV SIR (MGD )

14.9K views - 1 month ago

Logarithm day -2◇ IIT-JEE ◇11TH ◇ FUNDAMENTALS

Logarithm day -2◇ IIT-JEE ◇11TH ◇ FUNDAMENTALS DEV SIR (MGD )

9.8K views - 1 month ago

Why log has it's base "e" ? ◇ IIT-JEE ◇11th ◇10th ◇ Fundamentals

Why log has it's base "e" ? ◇ IIT-JEE ◇11th ◇10th ◇ Fundamentals DEV SIR (MGD )

48.5K views - 1 month ago

Basic to JEE ❤️ ◇ MATHS WITH DEV SIR ◇ IIT-JEE ◇11th ◇10th ◇ Fundamentals

Basic to JEE ❤️ ◇ MATHS WITH DEV SIR ◇ IIT-JEE ◇11th ◇10th ◇ Fundamentals DEV SIR (MGD )

15.6K views - 1 month ago

Trigonometry ◇ Fundamentals ◇ Day-1 ◇ 11th ◇IIT-JEE

Trigonometry ◇ Fundamentals ◇ Day-1 ◇ 11th ◇IIT-JEE DEV SIR (MGD )

61.3K views - 1 month ago

Basic to JEE ◇ Even and Odd functions ◇ IIT-JEE ◇ Functions

Basic to JEE ◇ Even and Odd functions ◇ IIT-JEE ◇ Functions DEV SIR (MGD )

7.5K views - 1 month ago

Differentiation ◇ IIT-JEE ◇11th

Differentiation ◇ IIT-JEE ◇11th DEV SIR (MGD )

21.3K views - 1 month ago

Fundmentals of Logarithm ◇ 11th ◇ JEE IIT-JEE

Fundmentals of Logarithm ◇ 11th ◇ JEE IIT-JEE DEV SIR (MGD )

132.8K views - 1 month ago

Limits ◇ IIT-JEE ◇ 11th

Limits ◇ IIT-JEE ◇ 11th DEV SIR (MGD )

10K views - 1 month ago

Modulus ◇ JEE ◇ IIT-JEE ◇ 11th

Modulus ◇ JEE ◇ IIT-JEE ◇ 11th DEV SIR (MGD )

7.9K views - 1 month ago

Common mistakes ◇ IIT-JEE ◇ 10th

Common mistakes ◇ IIT-JEE ◇ 10th DEV SIR (MGD )

8.9K views - 1 month ago

DEFINITE INTEGRATION PART -1 ◇ IIT-JEE ◇ JEEADVANCED

DEFINITE INTEGRATION PART -1 ◇ IIT-JEE ◇ JEEADVANCED DEV SIR (MGD )

21.9K views - 1 month ago

Basic To JEE ❤️◇ IIT-JEE ◇ Functions ◇ Fundamentals

Basic To JEE ❤️◇ IIT-JEE ◇ Functions ◇ Fundamentals DEV SIR (MGD )

13.9K views - 1 month ago

Set ◇ Proving based NCERT questions ◇ class11th ◇ Fundamentals

Set ◇ Proving based NCERT questions ◇ class11th ◇ Fundamentals DEV SIR (MGD )

6.9K views - 1 month ago

1st principle method ◇ Derivatives ◇ IIT-JEE ◇ 11th

1st principle method ◇ Derivatives ◇ IIT-JEE ◇ 11th DEV SIR (MGD )

47.2K views - 1 month ago

SET ◇ PART 1 ◇ IIT-JEE ◇ FUNDAMENTALS

SET ◇ PART 1 ◇ IIT-JEE ◇ FUNDAMENTALS DEV SIR (MGD )

23.5K views - 1 month ago

Modulus ◇ Absolute Value function ◇ IIT-JEE ◇ Fundamentals of maths

Modulus ◇ Absolute Value function ◇ IIT-JEE ◇ Fundamentals of maths DEV SIR (MGD )

36.9K views - 1 month ago

GRAPH ◇ Maths (Fundamentals) ◇ IIT-JEE ◇ JEEMAIN

GRAPH ◇ Maths (Fundamentals) ◇ IIT-JEE ◇ JEEMAIN DEV SIR (MGD )

51.8K views - 1 month ago

P & C ◇IIT-JEE ◇ jeemain

P & C ◇IIT-JEE ◇ jeemain DEV SIR (MGD )

3K views - 1 month ago

P & C ◇ IIT-JEE ◇ jeemain2026

P & C ◇ IIT-JEE ◇ jeemain2026 DEV SIR (MGD )

4.4K views - 1 month ago

IIT-JEE ◇ P&C ◇ JEE

IIT-JEE ◇ P&C ◇ JEE DEV SIR (MGD )

2.1K views - 1 month ago

Number of Solutions ◇ IIT-JEE

Number of Solutions ◇ IIT-JEE DEV SIR (MGD )

3.9K views - 1 month ago