Kiran Kumar is one of the finest GATE Trainer for Computer Science in India. Kiran sir holds Masters from Indian Institute of Science Bangalore, and teaches all subject in the area of computer science and motivational videos too. If you follow his videos that will be more than enough to crack GATE and get into IIT’s or IISc. But the thing is you have to practise a lot and work for continuously four to six months. And one more thing he provides test series and lot of practise questions too. He dedicated his complete career for teaching students and helping them to achieve their dreams. He teaches very very tough topics also in simple form. He always believes in "Journey of the 1000 miles begins with a single step"