The interview has 3 rounds.the 1 st one is written test related to technical,the second round was group discussion and the final round is technical and hr interview the first concentrates on some technical questions which can be answered if u are thorough a your classes and once if referred through text book .more questions from concrete tech,gte,ddrcs,dd steel structures,surveying. it is better to once referred through code books of steel and rcc.