If you ever wanted a deep-dive into Electronic Interlocking systems, then this course is the right one for you. Starting with the principles of Interlocking, this course takes you through various aspects of Electronic Interlocking systems from four leading OEMs, and finally focuses on Installation, Testing and Maintenance aspects. Through this course, Computer Based Interlocking/Solid State Interlocking/Electronic Interlocking is explained in detail including overview of Electronic Interlocking on Indian Railways Mainline for practicing /budding Signal Engineers. Keeping in view of Indian Railways, Electronic Interlocking of all four approved vendors/OEM by RDSO are discussed in detail.