Hello Shyam,

Vocabulary, reading comprehension, grammar and usage are core components of the SAT exam. Here are some tips that you can follow to prepare the english section well:

1. Read articles, magazines or newspapers regularly. The more you read challenging material, the faster you'll read and the better you will comprehend.

2. Build your vocabulary.

3. Refresh your grammar.

4. Take several practice exams or mock papers to improve your confidence level.

Some of the important grammar topics are as follows:

1. Subject verb agreement

2. Nouns

3. Prepositions

4. Pronouns

5. Modifiers

6. Clauses

Hope it helps.

Good Luck!