TY  - BOOK
AU  - Agrahari, Ravi P
TI  - Science and technology:  for civil services preliminary and main examination
SN  - 9789354601286
U1  - 600.076 
PY  - 2020///
CY  -  Chennai, 
PB  - McGraw Hill Education
N1  - Science and technology
UPSC MAIN ANSWERS -NEW PATTERN SCIENCE AND TECHNOLOGY
SOME IMPORTANT PREVIOUS YEARS QYESTIONS FOR PRACTICE
PRACTICE TEST PAPERS
CAPSULE LISTS OF SCIENCE AND TECHNOLOGY

N2  - The third edition of science and technology has been thoroughly revised to suit the needs of students appearing for UPSC preliminary and Main examination. The content has been aligned as per the previous examination trends so that the aspirants have fair understanding of the subject along side getting accustomed to the examination pattern. the content has been systematically organized to discuss the discoveries from the past to gradually cover the latest trends and breakthroughs in the field of science and technology. Due emphasis has been given to facts, clarity of concepts and the lucidity of language
ER  -