It has been written in a simple, lucid and easy to understand style. Number of solved examples and the problems given in the exercise have been taken from examination papers of JNTU to make students familiar with the type of questions. Hints and answers are given in the exercise to help students in self learning. Each chapter has been planned as an independent unit so that various topics connected with can also be read separately. At the end of each Unit, objective type questions along with answers are provided to equip the students in facing JNTU on-line internal examinations as well as competitive examinations like GATE, IES, etc.