'Narration Language Must Be Roman, Hindi Language, with...

'Narration Language Must Be Roman, Hindi Language, with basic and very simple/basic english so hindi & english both students can understand.' 'Text should be in English like if it's पहिया then it should be written "Wheel" not "Pahiya'' and Key Terms/Names should be in Hindi & English both languages like Wheel (पहिया). Render Hindi words perfectly. Topic Name: "रासायनिक बंधन: रासायनिक बंधन की अवधारणा, आयनिक बंधन, सहसंयोजक बंधन, धात्विक बंधन, बंध ऊर्जा, ध्रुवीय और अध्रुवीय बंध, वैन डर वाल बल" Of Subject Name: "Chemistry" Explain this like a interesting story. Also add name of topic/lesson in the story so viewer know well which topic he is learning. Explain each & every concept under the topic. And Cover this topic in depth with important formulas/facts from exam point of views.