Shubhankar Pratyush Pathak has secured All India Rank 11 in the UPSC Civil Services Examination 2021 with Mathematics optional on his first attempt. How did he prepare for this tough exam, and what’s his preparation strategy to crack the UPSC exam in the first attempt itself? Let’s see Shubhankar Pratyush Pathak UPSC Booklist, Optional, Marksheet, Education Background and Biography.