Book excerpt: A Comprehensive and Practical Guide on Assessment of Profits from Business * Emerging trends in assessment of profit. * Challenges to book profit. * Profitability ratios. * Additions and deductions. * Deemed profits and gains. * Export profit. * Presumptive income. * Protective assessment. * Assessment in search and seizure cases under the Block Assessment Scheme as well as under New Assessment Scheme. This book will help in developing skills for determination of profit that is charged to income-tax. It is useful for tax administrators, tax consultants and taxpayers as a handy reference book on the subject.