Sourabh Raina - Invidious

Sourabh Raina

Hi everyone, welcome to the channel.

I'm Sourabh Raina, a dedicated science teacher with a passion for teaching in subjects Chemistry and Biology.
In this channel, you'll find a treasure trove of educational content with clear explanations, smart tips and valuable resources, all focused on Chemistry and Biology. My goal is to make complex concepts simple and help students excel in both Boards as well as competitive exams and achieve top results.

Reach out to me :
For inquiries - sourabhrainaofficial@gmail.com

Join me on this educational journey, where hard work triumphs when talent meets dedication!"

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7:22

Is CSE with AI Specialization a Good Career in 2026?

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Shared 14 hours ago

925 views

8:39

20 Days = 95% in Biology !🔥 Board Strategy for Class 12 | Sourabh Raina | CBSE 2026

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Kaisa gya Chemistry exam ? Batch 2025-26

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If You’re Nervous About Chemistry… Watch This (1 Min Message)

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How to Write CBSE Chemistry Board Paper | Topper Answer Sheet Analysis

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50:16

Guess paper 2 | Chemistry 🔥| CBSE Class 12 Boards 2026

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11:48

All Organic Physical properties in 10 Minutes | CBSE Class 12 Board 2026

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Last Day Before Chemistry Exam | Final Plan + Mistakes to Avoid

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Guess paper 1 | Chemistry 🔥| CBSE Class 12 Boards 2026

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41:44

Theory Questions 📑| Organic Chemistry ✅ | 11 years PYQ🔥 | CBSE Boards | 2025-26

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Last 2 Days Chemistry Strategy 🔥 | CBSE Class 12 Boards 2026

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MCQ TEST 3 | Chemistry | CBSE Boards 2026

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15:07

Organic Reagent in 15 Minutes | CBSE Class 12 Board 2026

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Final 3 Day Chemistry Strategy 🔥 | CBSE Class 12 Boards 2026

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8:40

MCQ TEST 2 | Chemistry | CBSE Boards 2026

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15:41

All Organic Chemistry Mechanisms in 15 Minutes | CBSE Class 12 Board 2026

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4:31

Organic Chemistry Score 100% Strategy | Boards | 2026

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Shared 2 weeks ago

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12:22

MCQ TEST 1 | Chemistry | CBSE Boards 2026

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Most Important Conversions | Class 12 Chemistry | CBSE Board

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6:17

Final 5 Days Chemistry Board Strategy | How to Score 95%

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4:29

Inorganic Chemistry Score 100% Strategy | Boards | 2026

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Theory Questions 📑| Inorganic Chemistry ✅ | 11 years PYQ🔥 | CBSE Boards | 2025-26

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Score 70/70 in Chemistry Board Exam✅️ | Most Important Topics 📜| 2025-26|Class 12| Sourabh Raina

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18:15

All Formula✅| Physical Chemistry | Class 12 Chemistry | CBSE Board

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27:10

Theory Questions 📑| Physical Chemistry ✅ | 11 years PYQ🔥 | CBSE Boards | 2025-26

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Physical Chemistry Score 100% Strategy | Boards | 2026

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How to prepare in 7 GAPS Days✅ | Full roadmap for Class 12 Chemistry 🔥 | Class 12 Boards 2026

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👉 Final Chemistry Study Plan for 95% | Board Preparation 2026

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👉 6 Chemistry Mistakes That Destroy Your Board Marks 🚫 (Avoid These)

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7 Day Strategy for 95% | CBSE Biology Boards | 2026 | Sourabh Raina

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Shared 4 weeks ago

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CBSE Chemistry | 7 Day Strategy for 90% | Boards | 2026 | Sourabh Raina

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21:38

🔥Name Reactions in 20 minutes | Class 12 Chemistry | NEET & JEE Revision | CBSE Board

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23:16

Score Full Marks 💯 | 15 Must-Do Physical Chemistry Numericals (Boards) | Sourabh Raina

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One Playlist Strategy for 90% 🔥 | Chemistry Board 2026 Final Plan

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29:51

50 MCQ Chemistry | Practice |Class 12 | Mission 95+ | Board 2025-26 | Sourabh Raina

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CBSE Chemistry |10-Day Strategy for 90% | Boards | 2026 | Sourabh Raina

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18:38

Complete Organic Chemistry in 20 Minutes | Flowchart Revision | BOARD/NEET | 2026

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Shared 4 weeks ago

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5:24:00

Complete Chemistry Revision in 5.5 Hours | Board / NEET 2026

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Shared 4 weeks ago

39K views

7:39

21 Days to 95% in Chemistry | Real Board Comeback Strategy | Class 12 | Board 2026

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Shared 4 weeks ago

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1:57:17

PYQ🔥 | Chemistry 2025 Board ✅| CBSE | Board 2026 | Class 12 | Sourabh Raina

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Last 15 Days Plan to Master Organic Chemistry | Board Exam 2026

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10:03

MITOSIS ON ONION ROOT TIP EXPERIMENT | Biology Practical | Class 12th | Sourabh Raina

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8:29

Plant Population Density and Frequency by Quadrat method | Biology Practical | Class 12th

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Prepare a Temporary Mount to observe Pollen Germination | Biology Practical | Class 12th

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Chemistry 95+ in 25 Days | Complete Boards Strategy | Sourabh raina

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Isolation of DNA from Plant material | Biology Practical | Class 12th | Sourabh raina

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Score 30 in Biology Practical exam | Viva Questions | Class 12 |CBSE | Board 2026

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CLASS 12 | JAN to FINAL✅ | Score 95% in Biology Strategy 🔥| CBSE Boards 2025-26

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4:53

Biomolecules| 2025 PYQ | CBSE board | 2025-26 | Sourabh Raina

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31K views

8:26

CLASS 12 | JAN to FINAL✅ | Score 95% in Chemistry Strategy 🔥| CBSE Boards 2025-26

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Score 30 in Chemistry Practical exam | Viva Questions | Class 12 |CBSE | Board 2026

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195K views

1:27:15

Practice Sample Paper 🔥|Chemistry ✅ | Class 12 |CBSE Boards | 2025-26

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Shared 1 month ago

26K views

8:52

Amines | 2025 PYQ | CBSE board | 2025-26 | Sourabh Raina

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Shared 1 month ago

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10:20

Class 12 Chemistry Blue Print | Kya paper tough hoga ? | Boards 2026

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8:10

45 Days = 95% in Chemistry !🔥 Board Strategy for Class 12 | Sourabh Raina | CBSE 2025-26

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Shared 1 month ago

24K views

1:35:51

PYQ🔥 | Chemistry 2024 Board ✅| CBSE | Board 2026 | Class 12 | Sourabh Raina

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Shared 1 month ago

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7:00

45 Days = 95% in Biology !🔥 Board Strategy for Class 12 | Sourabh Raina | CBSE 2025-26

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Shared 1 month ago

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1:03

"Finally! Your NEET Prep Starts HERE 🔥 | @sourabhRainaNEET

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Shared 3 months ago

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6:02:21

300 Most Important MCQs 🔥 | Class 12 Chemistry | CBSE Board Exam 2026

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Shared 3 months ago

64K views

21:47

🔥 Top Organic Name Reactions in 20 minutes | Class 12 Chemistry | NEET & JEE Revision | CBSE Board

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Shared 3 months ago

64K views