1st round - Logical puzzle which consist of 6 or 7 question. out of which u need to get right answer for minimum 4 question to get through this round. ( this round will be common for both hardware(EEE,ECE,E&I) and software( CSE, IT, MCA). 2nd round - Technical round for EEE,ECE, E&I in which there are 30 question based on basic Electronics, Digital Electronics, Linear and integrated circuits and Circuit theory.( be strong in your basic). 3rd round - technical software for CSE, IT, MCA. the candidates who cleared first round of logical puzzle will attend this round ( even EEE, ECE, E&I students will attend this round if they got good score in logical puzzles round.) 4th round - will be conducted on separate day or same day depends on company. There it will be technical questioning section based on your performance is past three round. This will be easy to go through when your strong in basics.