The book Inspector Chalisa (Calculation ka Maha Granth) is an incredible book for the aspirants who are looking for an easy and handy methods/tricks for the toughest calculations and classification of formulas and questions. Inspector Mohit Goyal (5 Time Selected in SSC- CGL) wrote this book with his expertise and vision to give the best out of everything in all the dimensions of mathematics preparation. He is the first teacher who wrote to enhance and upgrade the calculation abilities of students..which can bring magical impact in the exams.. The book comprises 12 chapters of basic Mathematics – starting from addition and ends with Time and Work. In between Subtraction, Multiplication, Division , Surds, LCM and HCF, Fraction, Percentage, Profit and Loss, SI and CI are also included.. It contains 4000+ MCQs with unique and out of box solutions.. Vedic mathematics technique is also part of this book which is a key feature of this book. It helps the students from 8th to the Post Graduates to achieve the best in their academics and respective competitive examinations. This book gives a free video solution and digital test engine for practise, and also gives us the mechanism of interacting maths with a daily practise of 30 minutes for 6 months that will enhance the speed of any student. We have a record of more than 5000 students selected in SSC – CGL, CHSL, GD, MTS,RAILWAY and various other examinations. We tried our best to look into all the important factors related to competitive examinations. If you find any mistake, please inform us, we will be more than happy to rectify any mistake with Your valuable inputs