Yellow GK (Samanya Gyan) Updated Book 2025 (Hindi Version) By Ankit Bhati Sir (RWA) (Yellow Book, Hindi, Ankit Bhati) - ANKIT BHATI SAMANYA GYAN ( GENERAL KNOWLEDGE) FOR ALL COMPETITIVE EXAMS LIKE DELHI POLICE (CONSTABLE EVM HEAD CONSTABLE) UP POLICE (SUB-INSPECTOR CONSTABLE, JAILWARDER EVM FIREMAN