"This book has been written for the aspirants of various competitive Exams like IAS, PCS, SSC, Railway (ASM/TC/CC etc.), CDS, NDA, SCRA, NTSE, CPO–SI, CSIR/NET (UGC) etc and similar other Exams."

The  book  has been  prepared on  the  basis of  a  comprehensive  and  rigorous observation of the trends of previous year papers of various competitive Exams in a very  lucid,  concise  and  update  manner. This  book  consists  of  five segments (sections)—Physics, Astronomy, Computer, Chemistry and Biology. At the end of the contents of every segment some objective questions relevant to the corresponding topics and some previous year questions of the competitive Exams have been incorporated.