Detailed Notes on coaching institute for chemistry

I've mistakenly choosen hindi whilst filling kind of upsc CAPF, for a meduim of composing essay….now am i able to produce essay in english sir, i’am planning to give UPSC in 2017 that means, I've 15 months ‘in my hand, but sir i don’t know in which to get started on ..need to i Opt for NCERT’s first or instantly on specified e book for c

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