Let’s say you only require to score 80+ percentile in three sections. Will this stop you from working towards more? 

You should always give your best first and then look at the results to find out if that worked or not. Aim high and try to score 99.9+ percentile.

Tabulated below are the minimum eligibility criteria for PGP at IIM Kozhikode: 

Give your best and try to achieve the highest possible score and then everything will work out for you. Focus on the preparation and make a good strategy.