About author : Dr.Santhosh Kumar Allemki 18 year's of experience. M.tech from BITS, Warangal JNTUH. Ph.D. form OPJS University, Churu. Rajasthan. Presently working as Associate Prof in ECE Dept.at Guru Nanak Institute of Technology, Hyderabad, Previously Worked as HOD in Sree Chaitanya Institute of Technology Karimnagar Have published 30 National and international conferences and Journals papers and written 4 text books and 5 patents were published ----------------------------------------------------------------- Dr.Korra Ravi Kumar. 18 year's of experience. M.tech from Kshatriya engeering college, Nizamabad JNTUH. Ph.D. form OPJS University, Churu. Rajasthan. Presently working at the level of Associate Professor in Sree Chaitanya college of Engineering. Have published 25 National and international conferences and Journals papers and written 2 text books and 3 patents were published ----------------------------------------------------------------------------------------------- Dr.S. Indarjeet Singh. 21 year's of experience. M.tech from vagdevi engg college, Warangal JNTUH. Ph.D. form OPJS University, Churu. Rajasthan. Worked as HOD in Vivekananda institute of technology and science karimnagar and now working at the level of Associate Professor in Sridevi women's engg college Hyderabad. Have published several national and international conference papers. Attended more than 10 national and international conferences.

About book : It covers Various types of diode basics and its operations &applications.