Upasna Choudhry holds a Master's degree in Forensic Chemical Sciences and has an extensive background in preparing for the UPSC Civil Services Examination. She currently contributes to the Exam Prep ...

The prelims exam consists of 100 MCQs for a total of 400 marks, with 3 hours duration. There is also a provision of 1/4 negative marking per wrong answer. The candidates must download their admit card ...