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list of topics and thier sources for science & technology (UPSC prelims)

edited July 2015 in Science & Tech
plz list some topics and their sources for reference to cover science and technology for upsc prelims 2015


  • have to ask same Question Please anybody Guide me in this regard
  • me too same ques, what source to refer for SCI n Tech current affairs?
  • edited August 2015
    bhai koi GSLV Mk-II aur GSLV MK -III ke beech difference aur unke features and uses bataega?
  • MK III powerful ( in fact most powerful launch vehicle )
    It could lift 4000 Kgs ( more than any other vehcile)
    Last stage is CE 30 Cryoengine ( Indigenous)
    Would be useful for manned missions
    The Law of Detachment - be equanimous to both victories and defeats
  • You see Dr. Ravi Agrahari's Class notes. Its enough for UPSC exam, i thought. I score 134 marks in this prelims exam -2015. i hope to give my mains exam this year. i got many question from his current affairs notes this year. This notes is also given now on , you can see that notes and compare prelims exam question paper. i got 8 questions directly in this year prelims exam.
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