Caterpillar Software Development Engineer (SDE) interview questions

first we had a group discussion around 200 people participated and then around 60 members were selected for the interview process and the interviewers seemed old and professional tehy were friendly

First we had an coding round basically easy questions then SHL assessment and then a GD and an interview. Interview happened just after PPT and GD interview was easy , technical and managerial interview take place at same time and there were 3 panel members.