Lakhmir Singh & Manjit Kaur Solutions for Class 9th & NCERT 9th class solution So, About this App Have All Subject of NCERT Book in PDF format, and also have All Solution for class 9 Textbook. ➤Physics Solutions By Lakhmir Singh & Manjit Kaur ➣ Chapter 1 – Motion ➣ Chapter 2 – Force and laws of motion ➣ Chapter 3 – Gravitation ➣ Chapter 4 – Work and energy ➣ Chapter 5 – Sound ➤ Chemistry Solutions By Lakhmir Singh & Manjit Kaur ➣Chapter 1 – Matter in Our Surroundings ➣Chapter 2 – Is Matter Around Us Pure ? ➣Chapter 3 – Atoms and Molecules ➣Chapter 4 – Structure Of The Atom ➤ Biology Solutions By Lakhmir Singh & Manjit Kaur ➣Chapter 1 – Improvement in Food Resource ➣Chapter 2 – Fundamental Unit od life - Cell ➣Chapter 3 – Tissues ➣Chapter 4 – Diversity in Living Organisms ➣Chapter 5 – Why Do We Fall III ➣Chapter 6 – Natural Resource