The current edition of the book will enhance the knowledge fund of the students of physiotherapy. This book enlightens the basic electricity and magnetism; electrical safety; electric shock and its management; low-, medium-, and high-frequency currents; therapeutic ultrasound; low- and high-power laser; infrared therapy; ultraviolet radiation therapy; extracorporeal shockwave therapy; targeted radiofrequency therapy; electromagnetic field therapy; transcranial magnetic and direct current stimulation; biofeedback; and many more. Electrodiagnostic tests and their interpretation have also been highlighted. A total number of 505 multiple choice questions (MCQs) with appropriate answers have been included, which cover almost every aspect of electro- and actinotherapy, which will help the reader for various competitive examinations. The book covers information on inflammation, repair and role of physical agents, basic electricity and magnetism. • Different electrotherapy and actinotherapy modalities have been described in detail with their production, physiological and therapeutic effects, contraindication, precautions and dangers. • Chapters have been presented in simple manner with suitable diagrams and photographs which can easily be understood by the students. • Emphasis has been given on practical application of different electrotherapy and actinotherapy modalities. • The book contains new chapters such as Clinical Reasoning in Electrotherapy and Recent Advances in Electrotherapy. • Efforts have been made to provide the readers all the latest information on electrotherapy and actinotherapy. • Multiple choice questions have been increased to 505 with answer keys. • Efforts have been made to provide a complete information package on electrotherapy and actinotherapy to the readers.