Hello Aspirant,

The relevant topics for NCHMCT JEE English are listed below

• Sentence formation
• Sentence completion
• Idioms and phrases
• Rearrangement of sentences in paragraph
• Analogies
• Synonyms
• Antonyms
• Rearrangement of words in sentences
• Paragraph completion
• Fill in the blanks
• Sentence reconstruction
• Sentence improvement
• One word substitutions
• Paragraph formation
• Spelling
• Vocabulary
• English proficiency

There are no specified courses for preparation in English however you can refer YouTube content from channels such as unacademy, testbook, gradeup etc.

You can find further information in the link provided below

https://www.google.com/amp/s/hospitality.careers360.com/articles/nchmct-jee-syllabus/amp

Hope this helps and Good luck