c , c++ , technical aptitude control sys, general aptitude, DSP , LIC, gate questions , SS , recursion, increment / decrement operators , c++ , oops design , XML , class diagrams , c basics , engineering mechanoics, power systems , basic electricals , oops concepts linear integrated circuits , flash/ram , obj / compile process linking process.. inheritance , polymorphism, core c, processor , controllers , memeory mgnt , aptitude, attitude 2 rounds of tech intw and one hr and there it ends.