Brother, what you believe is very good but it's too soon for any beginner to consider this facet of CSE preparation ie essays.
You will find following aspects relevant towards the CSE preparation.
i) Prelims-Static-GS ( CSAT-I )
ii) Prelims-Dynamic-GS ( CSAT-I )
iii) Prelims-CSAT-aptitude( CSAT-II )
iv) Mains GS-I
v) Mains GS-II
mire) Mains GS-III
vii) Mains GS-IV
ix) Optional Paper -I
x) Optional Paper- II
I think you'll comprehend the terminology utilized by me above. Otherwise, kindly attempt to know them. This act is called creating a comprehensive technique for CSE exam.
Visiting your question, Technique to start planning for CSE exam with practicing essay writing isn't good.
You need to provide the exam in December 2015, you need to browse the newspaper everyday. Attempt to improve your writing skill by leaving comments underneath the news in the news websites or responding to questions about Quora.
Try with an opinion on every news reported in newspaper, to ensure that you create a holistic approach around the current matters around the world.
Should you carefully stick to the above steps you will have the ability to build up your British Expression Skill. You can go to these web addresses for that an extensive selection of the UPSC essays. I shall again prefer to help remind,