Stages of examination(IAS exam conducted by UPSC)
There are three stages of the examination.
The Preliminary stage
The main examination
The Preliminary stage—there are two papers objective type in this stage one general studies second civil services aptitude test (CSAT).General studies involves vast syllabus like history, geography, polity, general science, economics, mathematics, Indian constitution, current affairs etc. Paper second syllabus covers English grammar, comprehensions, reasoning, computer knowledge, Hindi vyakaran etc.
The qualified candidates in preliminary examination will be allowed to write the mains examination. The main examination consists the following papers.
General English- 300 marks -qualifying
Optional paper-I 250
Optional paper-II 250
General studies –I 250
General studies –II 250
General studies –III 250
General studies –IV 250
from the above information it is clear that general study and optionals play a big role in selection.You forget that you are a graduate of biotechnology, treat yourself a simple graduate. there are more than 80 optional subjects you can choose any two according to your interest. It take 3 months to prepare a new subject. I would suggest the combination of two subjects like Public administration and sociology or Public administration and geography, or public administration and history because these subject each covers 25-30 GS syllabus and scoring.
For GS preparation you should read The Hindu news paper, civil services cronicle monthaly magazine, some special issues on a perticular subject, Manorama year book, India 2016 book,and some good text books on the subject such as environmental geography by savinder sing, Indian economy by sundram, Indian geography by bhullar& bhullar etc. You should make notes while reading these materials.
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