Hello, here I am providing you the tips for clearing the SCRA exam for the very first time as under:

About the exam:
Union Public Service Commission conducts the SCRA exam and it is considered as one of the arduous exams in India.

Tips to crack the exam:
Create a study schedule allocating extra time to study your weak areas.
Study from Class 12th books, so you don't end up wasting time studying unnecessary topics.
Paper 1 is scoring but still needs preparation so you can perform your best.
Skip any question you are not sure of to avoid negative marking.
Physics section is focused on application of the various principles. Keep a quick revision sheet to help remember important points/formulae.
Revise SI units, it may seem unimportant but it will help avoid mistakes caused by applying incorrect units
Practice as many sample paper/previous year papers as possible. This will help you understand the question paper pattern, style and identify your weak areas
Focus on improving your weak areas
Create a Time Table
For physics section also remember to study important definitions.
Practice and improve speed in calculations and approximations, this will help greatly both in Mathematics section and also in Physics numerical style questions.
Study each section of chemistry: Physical Chemistry, Organic Chemistry and Inorganic Chemistry separately to avoid confusions

Books you may refer:
Self Study Guide for SCRA (Special Class Railway Apprentices) Examination (English) 7th Edition Author: Sushil Verma
SCRA – Special Class Railway Apprentices : Examination Conduducted by UPSC (English) 4th Edition Author: G. K. Publisher
SCRA Special Class Railway Apprentices – Solved Papers (2014 – 2005) : Model & Practice Papers (English) 7th Edition Author: Arihant Experts
SCRA Solved Papers (Special Class Railway Apprentices Exam) 2000-2014 By GKP
Word Power Made Easy New Revised & Expanded Edition (English) 1st Edition Author: NORMAN LEWIS
OBJECTIVE GENERAL ENGLISH (English) 01 Edition Author: R. S. Aggarwal
Handbook of Physics, Chemistry and Mathematics
Handbook of Mathematics – A Multipurpose Quick Revision Resource {PB} (English)
General Studies for All Competitive Examinations IAS, IFS, IES, IES/ISS, SCRA, CMS, CPF, CDS, NDA/NA, SSC, PSC (English)