It took me more than 4 years to complete my engineering, how is it going to affect my admissions in B-Schools? But I also have experience of around 20 months.

It won't affect much if you justify it properly and show your work experience and strengths.

It won't affect much. You need to prepare for that question well. Be honest in your answer, don't be defensive. I know many students who entered Joka after spending more than 4 years in Engineering.

All the best.