Herald Rajasthan Second Grade Science Book is One Of The Best Book For Senior Teacher Examination 2022 Conducted By Rajasthan Public Service Commission ( RPSC) Ajmer . This Book Is Based On Syllabus Declared By RPSC In May 2022 . It Includes Short Subjective Contents , Important Formulae And Objective Questions With Explanation Wherever Needed. Previous Years Papers From 2018-2010 Are Also Explained In This Book. Five Model Papers By Our Expert Team Is Also Added In This Book. In Addition To Book Some Important Questions PDF Will Be Provided To Students In My Telegram Channels And Social Media Platform Details Are Given In My Book