Cosmos Publication’s “Bhautik Evam Rasayan Vigyan” (Physics and Chemistry) by author Mahesh Kumar Barnwal is a highly popular, comprehensive guide written in Hindi Medium for aspirants preparing for competitive examinations. The book serves as a structured summary based entirely on the NCERT syllabus from Class 6 to 12. 

Core Book Specifications

• Book Name: Cosmos Series 6 Bhautik Evam Rasayan Vigyan (Physics and Chemistry Science)
• Author: Mahesh Kumar Barnwal (co-authored with Shailendra Kumar Rastogi and Rohit Singh Yadav)
• Language: Hindi
• Publisher: Cosmos Publication
• Target Exams: UPSC (Civil Services), State PSCs, SSC, Railways, and other government competitive exams. Key Content & Benefits
• NCERT Integration: Condenses extensive concepts from Class 6 to Class 12 standard NCERT textbooks into an easy-to-read layout.
• Dual Subject Approach: Covers foundational and advanced principles of both Physics (Bhautik) and Chemistry (Rasayan) in a single integrated edition.
• Exam-Oriented Presentation: Formatted with clear charts, point-wise summaries, and recurring questions to assist quick memory retention and revisions.