1. Chapters are written and presented for the students, to uderstand the subject in easy way 2. The book covers theory and 22 competency based cases /excercises 3. The workbook contains 22 BLACK PROFORMAS od 22 practical competencies 4. To complete 22 competency based exercises, student can take help from ALREADY FILLED PROFORMAS OF 22 PRACTICAL COMPETENCIES provided in SECTION III incorportated at the end of workbook