Rukmini Chemistry book is one of the best and affordable book available in the market. This book cover all topics of Chemistry which is in syllabus of any competitive examination. This book cover 9500+ question. This book is also known as The Platform Chemistry book. Rukmini Publication publish Chemistry book with the help of The Platform Coaching. Platform Coaching is one of the popular institute in Patna Bihar for Govt exam preparation. Author of this book is Shashank Shekhar. This is the b