See this video to master tricks
HOW TO NOT LOSE MARKS IN ENGLISH IN BOARD EXAMS
Chandrashekhar Pahimam :
There are some magical pointers that will help you save some marks while taking your English board exams.
This video deals with very basic things like which pen to use, where to draw the margin, how to do the reading section, how to solve vocabulary based questions, where not to write, what and how to highlight, what's the right format of a long answer type question, etc.
If you want not to lose marks due to such petty errors, see this video