A possible concise summary is:
The speaker is a self-taught English teacher who shares his journey of learning English from a Hindi medium background. He faced many challenges and insults due to his poor English skills, but he decided to improve himself and teach others. He gives some tips and techniques to learn English in an entertaining and effective way, such as using stories, mnemonics, and reverse translation. He also promotes his YouTube channel and Skill app, where he offers more English courses and content. He ends with a motivational quote and a request to subscribe and share his video.
1. The speaker's name is 300 Gram Dubey Spoken English Classes. He used to run a YouTube channel named Spoken English [Source Document 1](https://www.example.com).
2. The speaker was born and educated in a small town called Bhilai in Hindi medium [Source Document 1](https://www.example.com).
3. The speaker had a challenging childhood and faced many struggles due to the language barrier, especially English [Source Document 1](https://www.example.com).
4. The speaker completed his engineering degree and later started teaching English [Source Document 1](https://www.example.com).
5. The speaker believes that learning English is a complete process and can be improved by using a special technique [Source Document 1](https://www.example.com).
6. The speaker suggests that to improve English, one should learn English, not memorize it. He also emphasizes that English is not a one-time subject but a lifelong learning process [Source Document 1](https://www.example.com).
7. The speaker uses stories and anecdotes to illustrate his points and make English learning more engaging [Source Document 1](https://www.example.com).
8. The speaker suggests using a typing system or tagging to remember a lot of vocabulary for a long time [Source Document 1](https://www.example.com).
9. The speaker believes that English will be useful till your death and even after your death, as it's written on your grave [Source Document 1](https://www.example.com).
10. The speaker emphasizes that English is not a matter of chemistry or physics, but a matter of a correct technique [Source Document 1](https://www.example.com).