First round is aptitude test apti is on c++ and geometry c++ write the outputs there is no objective questions. you need to good in c++ with graphics programs and basics . Geometry is needed.

There was 1 aptitude test having 3 sections 1)C/c++(20que) 2)Aptitude(10que) 3)Geometry(10que) Aptitude test wast bit challenging, there was no negative marking. But there was sectional cutoff.. For 1st section you must have deep knowlegde of c and c++. Code snipets were given and you asked to find out the error or the correct output. Questions on structure,pointer, virtual constructor/desctructor, memory leak were asked. 2nd section was easy. simple mathematical questions on area of hemisphere, problem on trains, volume of given fig. were asked. 3rd section was time consuming. for 1 que there was 1 fig and depending on basic knoledge of geometry questions were asked. Like a triangle is inscribed in a circle find out angle.