Greenwave Solutions interview questions

first there was a aptitude and codding mcq after about an hour the shortlisted candidate had to wait for the technical interview technical interview was around 20-30 minuites per head after 2 days shortlisted candidate were called for hr round and offer letter was offered after 3 days

First they took a written aptitude round on pen and paper and soming programming questions on oop and java.then they shortlist ed the students and then technical interview was taken.